Sicurezza – Bollettini Microsoft e Linux

News, Alert e Bollettini di sicurezza Microsoft e Linux

Microsoft (Microsoft Technical Security Notifications, MSRC Blog)
  • February 2019 Security Update Release
    by MSRC Team on 12 Febbraio 2019 at 5:52 pm

    Today, we released security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates. More information about this month’s security updates can be found on the Security Update Guide. […]

  • Microsoft’s Cyber Defense Operations Center shares best practices
    by MSRC Team on 23 Gennaio 2019 at 4:00 pm

    Today, a single breach, physical or virtual, can cause millions of dollars of damage to an organization and potentially billions in financial losses to the global economy. Each week seems to bring a new disclosure of a cybersecurity breach somewhere in the world. As we look at the current state of cybersecurity challenges today, we... […]

  • Announcing the Microsoft Azure DevOps Bounty program
    by MSRC Team on 17 Gennaio 2019 at 4:00 pm

    The Microsoft Security Response Center (MSRC) is pleased to announce the launch of the Azure DevOps Bounty program, a program dedicated to providing rock-solid security for our DevOps customers. Starting January 17, 2019, we’re excited to offer rewards up to US$20,000 for eligible vulnerabilities in Azure DevOps online services and the latest release of Azure... […]

  • January 2019 Security Update Release
    by MSRC Team on 8 Gennaio 2019 at 6:08 pm

    Today, we released security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates.  More information about this month’s security updates can be found on the Security Update Guide. […]

  • December 2018 Security Update Release
    by MSRC Team on 19 Dicembre 2018 at 6:04 pm

    Today, we released a security update for Internet Explorer after receiving a report from Google about a new vulnerability being used in targeted attacks. Customers who have Windows Update enabled and have applied the latest security updates, are protected automatically. We encourage customers to turn on automatic updates. Microsoft would like to thank Google for their... […]

  • December 2018 Security Update Release
    by MSRC Team on 11 Dicembre 2018 at 6:00 pm

    Today, we released security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates.  More information about this month’s security updates can be found on the Security Update Guide.&nbs […]

  • November 2018 Security Update Release
    by MSRC Team on 13 Novembre 2018 at 6:02 pm

    Today, we released security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates.   More information about this month’s security updates can be found on the Security Update Guide.&nbs […]

  • Should You Send Your Pen Test Report to the MSRC?
    by MSRC Team on 12 Novembre 2018 at 6:02 pm

    Every day, the Microsoft Security Response Center (MSRC) receives vulnerability reports from security researchers, technology/industry partners, and customers. We want those reports, because they help us make our products and services more secure. High-quality reports that include proof of concept, details of an attack or demonstration of a vulnerability, and a detailed writeup of the... […]

  • October 2018 Security Update Release
    by MSRC Team on 9 Ottobre 2018 at 5:00 pm

    Today, we released security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates. More information about this month’s security updates can be found in the Security Update Guide. MSRC team […]

  • Standing behind “MSRC Listens”
    by MSRC Team on 2 Ottobre 2018 at 11:04 pm

    Last week at BlueHat’s “MSRC Listens” session, I took the stage with Mechele Gruhn, manager of the Vulnerability Response PM team, to explain how MSRC is changing our communication, workflows, and tooling to deliver an improved user experience for our partners in the security research community. We promised to communicate more about what’s happening in... […]

  • 4053440 - Securely opening Microsoft Office documents that contain Dynamic Data Exchange (DDE) fields - Version: 3.0
    on 9 Gennaio 2018 at 6:00 pm

    Revision Note: V3.0 (January 9, 2018): Microsoft has released an update for all supported editions of Microsoft Excel that allows users to set the functionality of the DDE protocol based on their environment. For more information and to download the update, see ADV170021.Summary: Microsoft is releasing this security advisory to provide information regarding security settings for Microsoft Office applications. This advisory provides guidance on what users can do to ensure that these applications are properly secured when processing Dynamic Data Exchange (DDE) fields. […]

  • 4056318 - Guidance for securing AD DS account used by Azure AD Connect for directory synchronization - Version: 1.0
    on 12 Dicembre 2017 at 6:00 pm

    Revision Note: V1.0 (December 12, 2017): Advisory published.Summary: Microsoft is releasing this security advisory to provide information regarding security settings for the AD DS (Active Directory Domain Services) account used by Azure AD Connect for directory synchronization. This advisory also provides guidance on what on-premises AD administrators can do to ensure that the account is properly secured. […]

  • MS14-085 - Important: Vulnerability in Microsoft Graphics Component Could Allow Information Disclosure (3013126) - Version: 1.1
    on 19 Ottobre 2017 at 5:00 pm

    Severity Rating: ImportantRevision Note: V1.1 (October 19, 2017): Corrected a typo in the CVE description.Summary: This security update resolves a publicly disclosed vulnerability in Microsoft Windows. The vulnerability could allow information disclosure if a user browses to a website containing specially crafted JPEG content. An attacker could use this information disclosure vulnerability to gain information about the system that could then be combined with other attacks to compromise the system. The information disclosure vulnerability by itself does not allow arbitrary code execution. However, an attacker could use this information disclosure vulnerability in conjunction with another vulnerability to bypass security features such as Address Space Layout Randomization (ASLR). […]

  • MS16-039 - Critical: Security Update for Microsoft Graphics Component (3148522) - Version: 4.0
    on 12 Settembre 2017 at 5:00 pm

    Severity Rating: CriticalRevision Note: V4.0 (September 12, 2017): Revised the Microsoft Windows affected software table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-0165. Consumers running Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability.Summary: This security update resolves vulnerabilities in Microsoft Windows, Microsoft .NET Framework, Microsoft Office, Skype for Business, and Microsoft Lync. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted document or visits a webpage that contains specially crafted embedded fonts. […]

  • MS16-123 - Important: Security Update for Windows Kernel-Mode Drivers (3192892) - Version: 3.0
    on 12 Settembre 2017 at 5:00 pm

    Severity Rating: ImportantRevision Note: V3.0 (September 12, 2017): Revised the Affected Software table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3376. Consumers using Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability.Summary: This security update resolves vulnerabilities in Microsoft Windows. The more severe of the vulnerabilities could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application that could exploit the vulnerabilities and take control of an affected system. […]

  • MS16-OCT - Microsoft Security Bulletin Summary for October 2016 - Version: 3.0
    on 12 Settembre 2017 at 5:00 pm

    Revision Note: V3.0 (September 12, 2017): For MS16-123, revised the Windows Operating System and Components affected software table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3376. Consumers using Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability.Summary: This bulletin summary lists security bulletins released for October 2016. […]

  • MS16-095 - Critical: Cumulative Security Update for Internet Explorer (3177356) - Version: 3.0
    on 12 Settembre 2017 at 5:00 pm

    Severity Rating: CriticalRevision Note: V3.0 (September 12, 2017): Revised the Affected Software table to include Internet Explorer 11 installed on Windows 10 Version 1703 for 32-bit Systems and Internet Explorer 11 installed on Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3326. Consumers using Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Internet Explorer on Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability. Customers who are running other versions of Windows 10 and who have installed the June cumulative updates do not need to take any further action.Summary: This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. […]

  • MS16-JUL - Microsoft Security Bulletin Summary for July 2016 - Version: 2.0
    on 12 Settembre 2017 at 5:00 pm

    Revision Note: V2.0 (September 12, 2017): For MS16-087, to address known issues with the 3170455 update for CVE-2016-3238, Microsoft has made available the following updates for currently-supported versions of Microsoft Windows: • Rereleased update 3170455 for Windows Server 2008 • Monthly Rollup 4038777 and Security Update 4038779 for Windows 7 and Windows Server 2008 R2 • Monthly Rollup 4038799 and Security Update 4038786 for Windows Server 2012 • Monthly Rollup 4038792 and Security Update 4038793 for Windows 8.1 and Windows Server 2012 R2 • Cumulative Update 4038781 for Windows 10 • Cumulative Update 4038781 for Windows 10 Version 1511 • Cumulative Update 4038782 for Windows 10 Version 1607 and Windows Server 2016. Microsoft recommends that customers running Windows Server 2008 reinstall update 3170455. Microsoft recommends that customers running other supported versions of Windows install the appropriate update. See Microsoft Knowledge Base Article 3170005 (https://support.microsoft.com/en-us/help/3170005) for more information.Summary: This bulletin summary lists security bulletins released for July 2016. […]

  • MS16-APR - Microsoft Security Bulletin Summary for April 2016 - Version: 4.0
    on 12 Settembre 2017 at 5:00 pm

    Revision Note: V4.0 (September 12, 2017): For MS16-039, revised the Windows Operating Systems and Components affected software table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-0165. Consumers running Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability.Summary: This bulletin summary lists security bulletins released for April 2016. […]

  • MS16-AUG - Microsoft Security Bulletin Summary for August 2016 - Version: 3.0
    on 12 Settembre 2017 at 5:00 pm

    Revision Note: V3.0 (September 12, 2017): For MS16-095, revised the Windows Operating System and Components Affected Software table to include Internet Explorer 11 installed on Windows 10 Version 1703 for 32-bit Systems and Internet Explorer 11 installed on Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3326. Microsoft recommends that customers running Internet Explorer on Windows 10 Version 1703 install update 4038788 to be protected from this vulnerability.Summary: This bulletin summary lists security bulletins released for August 2016. […]

  • MS16-087 - Critical: Security Update for Windows Print Spooler Components (3170005) - Version: 2.0
    on 12 Settembre 2017 at 5:00 pm

    Severity Rating: CriticalRevision Note: V2.0 (September 12, 2017): To address known issues with the 3170455 update for CVE-2016-3238, Microsoft has made available the following updates for currently-supported versions of Microsoft Windows: • Rereleased update 3170455 for Windows Server 2008 • Monthly Rollup 4038777 and Security Update 4038779 for Windows 7 and Windows Server 2008 R2 • Monthly Rollup 4038799 and Security Update 4038786 for Windows Server 2012 • Monthly Rollup 4038792 and Security Update 4038793 for Windows 8.1 and Windows Server 2012 R2 • Cumulative Update 4038781 for Windows 10 • Cumulative Update 4038781 for Windows 10 Version 1511 • Cumulative Update 4038782 for Windows 10 Version 1607 and Windows Server 2016. Microsoft recommends that customers running Windows Server 2008 reinstall update 3170455. Microsoft recommends that customers running other supported versions of Windows install the appropriate update. See Microsoft Knowledge Base Article 3170005 (https://support.microsoft.com/en-us/help/3170005) for more information.Summary: This security update resolves vulnerabilities in Microsoft Windows. The more severe of the vulnerabilities could allow remote code execution if an attacker is able to execute a man-in-the-middle (MiTM) attack on a workstation or print server, or sets up a rogue print server on a target network. […]

  • MS16-149 - Important: Security Update for Microsoft Windows (3205655) - Version: 1.1
    on 23 Agosto 2017 at 5:00 pm

    Severity Rating: ImportantRevision Note: V1.1 (August 23, 2017): Corrected the Updates Replaced for security update 3196726 to None. This is an informational change only. Customers who have already successfully installed the update do not need to take any further action.Summary: This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow elevation of privilege if a locally authenticated attacker runs a specially crafted application. […]

  • MS17-007 - Critical: Cumulative Security Update for Microsoft Edge (4013071) - Version: 2.0
    on 8 Agosto 2017 at 5:00 pm

    Severity Rating: CriticalRevision Note: V2.0 (August 8, 2017): To comprehensively address CVE-2017-0071, Microsoft released the July security updates for all versions of Windows 10. Note that Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, and Windows 10 Version 1703 for x64-based Systems have been added to the Affected Products table as they are also affected by this vulnerability. Microsoft recommends that customers who have not already done so install the July 2017 security updates to be fully protected from this vulnerability.Summary: This security update resolves vulnerabilities in Microsoft Edge. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Microsoft Edge. An attacker who successfully exploited these vulnerabilities could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. […]

  • 4038556 - Guidance for securing applications that host the WebBrowser Control - Version: 1.0
    on 8 Agosto 2017 at 5:00 pm

    Revision Note: V1.0 (August 8, 2017): Advisory published.Summary: Microsoft is releasing this security advisory to provide information regarding security settings for applications developed with the Microsoft Internet Explorer layout engine, also known as the Trident layout engine. This advisory also provides guidance on what developers and individuals can do to ensure that their applications hosting the WebBrowser Control are properly secured. […]

  • MS17-MAR - Microsoft Security Bulletin Summary for March 2017 - Version: 4.0
    on 8 Agosto 2017 at 5:00 pm

    Revision Note: V4.0 (August 8, 2017): For MS17-007, to comprehensively address CVE-2017-0071, Microsoft released the July security updates for all versions of Windows 10. Note that Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, and Windows 10 Version 1703 for x64-based Systems have been added to the Affected Products table as they are also affected by this vulnerability. Microsoft recommends that customers who have not already done so install the July 2017 security updates to be fully protected from this vulnerabilitySummary: This bulletin summary lists security bulletins released for March 2017 […]

  • MS16-SEP - Microsoft Security Bulletin Summary for September 2016 - Version: 2.0
    on 11 Luglio 2017 at 5:00 pm

    Revision Note: V2.0 (July 11, 2017): Revised Windows Affected Software and Vulnerability Severity Ratings table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3305. Microsoft recommends that customers running Windows 10 Version 1703 should install update 4025342 to be protected from this vulnerability.Summary: This bulletin summary lists security bulletins released for September 2016. […]

  • MS16-111 - Important: Security Update for Windows Kernel (3186973) - Version: 2.0
    on 11 Luglio 2017 at 5:00 pm

    Severity Rating: ImportantRevision Note: V2.0 (July 11, 2017): Revised Windows Affected Software and Vulnerability Severity Ratings table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3305. Microsoft recommends that customers running Windows 10 Version 1703 should install update 4025342 to be protected from this vulnerability.Summary: This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker runs a specially crafted application on a target system. […]

  • 4033453 - Vulnerability in Azure AD Connect Could Allow Elevation of Privilege - Version: 1.0
    on 27 Giugno 2017 at 5:00 pm

    Revision Note: V1.0 (June 27, 2017): Advisory published.Summary: Microsoft is releasing this security advisory to inform customers that a new version of Azure Active Directory (AD) Connect is available that addresses an Important security vulnerability. […]

  • 4025685 - Guidance related to June 2017 security update release - Version: 1.0
    on 13 Giugno 2017 at 5:00 pm

    Revision Note: V1.0 (June 13, 2017): Advisory publishedSummary: Microsoft is announcing the availability of additional guidance for critical security updates, that are at heightened risk of exploitation due to past and threatened nation-state attacks and disclosures. Some of the releases are new, and some are for older platforms that we are making publicly available today. […]

  • 4022344 - Security Update for Microsoft Malware Protection Engine - Version: 1.2
    on 12 Maggio 2017 at 5:00 pm

    Severity Rating: CriticalRevision Note: V1.2 (May 12, 2017): Added entries into the affected software table. This is an informational change only.Summary: Microsoft is releasing this security advisory to inform customers that an update to the Microsoft Malware Protection Engine addresses a security vulnerability that was reported to Microsoft. […]

Linux (Community’s Center for Security)
  • ArchLinux: 201902-15: python2-django: denial of service
    on 13 Febbraio 2019 at 12:16 am

    The package python2-django before version 1.11.19-1 is vulnerable to denial of service. […]

  • ArchLinux: 201902-14: python-django: denial of service
    on 13 Febbraio 2019 at 12:14 am

    The package python-django before version 2.1.6-1 is vulnerable to denial of service. […]

  • ArchLinux: 201902-12: lib32-libcurl-compat: arbitrary code execution
    on 12 Febbraio 2019 at 11:53 pm

    The package lib32-libcurl-compat before version 7.64.0-1 is vulnerable to arbitrary code execution. […]

  • ArchLinux: 201902-13: lib32-curl: arbitrary code execution
    on 12 Febbraio 2019 at 11:53 pm

    The package lib32-curl before version 7.64.0-1 is vulnerable to arbitrary code execution. […]

  • ArchLinux: 201902-11: lib32-libcurl-gnutls: arbitrary code execution
    on 12 Febbraio 2019 at 11:52 pm

    The package lib32-libcurl-gnutls before version 7.64.0-1 is vulnerable to arbitrary code execution. […]

  • ArchLinux: 201902-10: libcurl-gnutls: arbitrary code execution
    on 12 Febbraio 2019 at 11:51 pm

    The package libcurl-gnutls before version 7.64.0-1 is vulnerable to arbitrary code execution. […]

  • ArchLinux: 201902-9: curl: arbitrary code execution
    on 12 Febbraio 2019 at 11:50 pm

    The package curl before version 7.64.0-1 is vulnerable to arbitrary code execution. […]

  • ArchLinux: 201902-8: aubio: denial of service
    on 12 Febbraio 2019 at 6:46 pm

    The package aubio before version 0.4.9-1 is vulnerable to denial of service. […]

  • ArchLinux: 201902-7: libu2f-host: arbitrary code execution
    on 12 Febbraio 2019 at 6:45 pm

    The package libu2f-host before version 1.1.7-1 is vulnerable to arbitrary code execution. […]

  • Iranian APT Group Pegged for Shamoon Disk Wiping Attacks
    on 21 Dicembre 2018 at 8:03 am

    Researchers have attributed a new wave of Shamoon disk wiper attacks to Iranian hacking group APT33. […]

  • phpMyAdmin Releases Critical Software Update — Patch Your Sites Now!
    on 16 Dicembre 2018 at 8:34 am

    Developers of phpMyAdmin, one of the most popular and widely used MySQL database management systems, today released an updated version 4.8.4 of its software to patch several important vulnerabilities that could eventually allow remote attackers to take control of the affected web servers. […]

  • Critical SQLite Flaw Leaves Millions of Apps Vulnerable to Hackers
    on 15 Dicembre 2018 at 11:03 am

    Cybersecurity researchers have discovered a critical vulnerability in widely used SQLite database software that exposes billions of deployments to hackers. […]

  • Fake Bomb Threat Emails Demanding Bitcoins Sparked Chaos Across US, Canada
    on 14 Dicembre 2018 at 8:25 am

    "Pay $20,000 worth of bitcoin, or a bomb will detonate in your building" A massive number of businesses, schools, government offices and individuals across the US, New Zealand and Canada on Thursday received bomb threats via emails that caused nationwide chaos, forcing widespread evacuations and police response. […]

  • Rhode Island sues Google after latest Google+ API leak
    on 13 Dicembre 2018 at 7:48 am

    A day after Google announced a Google+ API leak that could have exposed the personal information of over 52.5 million users, a Rhode Island government entity filed a class-action lawsuit in a California court. […]

  • Samsung fixes flaws that could have let attackers hijack your account
    on 12 Dicembre 2018 at 9:41 am

    A recently patched trio of flaws in Samsung’s mobile site was leaving users vulnerable to attackers who could have reset their user passwords and hijacked their accounts, The Register reports. […]

  • Massive botnet chews through 20,000 WordPress sites
    on 10 Dicembre 2018 at 7:58 am

    WordPress users are facing another security worry following the discovery of a massive botnet. Attackers have infected 20,000 WordPress sites by brute-forcing administrator usernames and passwords. They are then using those sites to infect even more WordPress installations. […]

  • Security News This Week: Did Quora Get Hacked? Top Answer: Yes
    on 9 Dicembre 2018 at 10:07 am

    Nearly a month after the midterm elections, details on a hack of the Republican National Congressional Committee reveals that meddling in the midterms was much worse than it seemed on election day. The hack probably should have been the biggest news of the week, but for a little distracting—and important!—thing called the Mueller probe. […]

  • Malicious sites abuse 11-year-old Firefox bug that Mozilla failed to fix
    on 9 Dicembre 2018 at 10:03 am

    Malware authors, ad farmers, and scammers are abusing a Firefox bug to trap users on malicious sites. […]

  • Social Engineering Methods for Penetration Testing
    on 21 Ottobre 2016 at 10:18 am

    LinuxSecurity.com: Social engineering is the practice of learning and obtaining valuable information by exploiting human vulnerabilities. It is an art of deception that is considered to be vital for a penetration tester when there is a lack of information about the target that can be exploited. […]

  • Putting Infosec Principles into Practice
    on 23 Settembre 2016 at 10:53 am

    LinuxSecurity.com: When you’re dealing with a security incident it’s essential you – and the rest of your team – not only have the skills they need to comprehensively deal with an issue, but also have a framework to support them as they approach it. This framework means they can focus purely on what they need to do, following a process that removes any vulnerabilities and threats in a proper way – so everyone who depends upon the software you protect can be confident that it’s secure and functioning properly. […]

  • Installing an Apache Web Server with TLS
    on 22 Agosto 2016 at 3:30 pm

    LinuxSecurity.com: One of the powerful things that Linux on servers allows you to do is to create scalable web applications with little to no software costs. Apache HTTPD, commonly referred to as just Apache, is the number one web server software in the world. […]

  • Essential tools for hardening and securing Unix based Environments
    on 26 Maggio 2015 at 7:34 pm

    LinuxSecurity.com: System administrators are aware as how important their systems security is, not just the runtime of their servers. Intruders, spammers, DDOS attack, crackers, are all out there trying to get into people's computers, servers and everywhere they can lay hands on and interrupt the normal runtime of services. […]

  • Securing a Linux Web Server
    on 28 Aprile 2015 at 11:26 am

    LinuxSecurity.com: With the significant prevalence of Linux web servers globally, security is often touted as a strength of the platform for such a purpose. However, a Linux based web server is only as secure as its configuration and very often many are quite vulnerable to compromise. While specific configurations vary wildly due to environments or specific use, there are various general steps that can be taken to insure basic security considerations are in place. […]

  • Peter Smith Releases Linux Network Security Online
    on 6 Gennaio 2014 at 6:28 pm

    LinuxSecurity.com: Thanks so much to Peter Smith for announcing on linuxsecurity.com the release of his Linux Network Security book available free online. "In 2005 I wrote a book on Linux security. 8 years later and the publisher has gone out of business. Now that I'm free from restrictions on reproducing material from the book, I have decided to make the entire book available online." […]

  • Password guessing with Medusa 2.0
    on 9 Gennaio 2012 at 1:34 pm

    LinuxSecurity.com: Medusa was created by the fine folks at foofus.net, in fact the much awaited Medusa 2.0 update was released in February of 2010. For a complete change log please visit http://www.foofus.net/jmk/medusa/changelog […]

  • Password guessing as an attack vector
    on 13 Dicembre 2011 at 11:27 am

    LinuxSecurity.com: Using password guessing as an attack vector. Over the years we've been taught a strong password must be long and complex to be considered secure. Some of us have taken that notion to heart and always ensure our passwords are strong. But some don't give a second thought to the complexity or length of our password. […]

  • Squid and Digest Authentication
    on 1 Dicembre 2011 at 3:02 pm

    LinuxSecurity.com: Digest AuthenticationDigest Authentication hashes the password before transmitting over the wire. Essentially it sends a message digest generated from multiple items including username, realm and nonce value. If you want to know more see (RFC 2617). […]

  • Squid and Basic Authentication
    on 1 Dicembre 2011 at 3:00 pm

    LinuxSecurity.com: This is perhaps the easiest authentication helper to configure in Squid, but also the most insecure. The biggest problem with Basic is it transmits username and password in clear text, hence very susceptible to network sniffing or man in the middle type attacks. The only reason I'm writing about it is it's a valid authentication mechanism in some limited circumstances. Secondly I want to show you how authentication has evolved over the years. […]