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asp-mvc

Exploiting MS14-059 because sometimes XSS is fun, sometimes…

Posted October 17, 2014    BeyondTrust Research Team

This October, Microsoft has provided a security update for System.Web.Mvc.dll which addresses a ‘Security Feature Bypass’. The vulnerability itself is in ASP.NET MVC technology and given its wide adoption we thought we would take a closer look. Referring to the bulletin we can glean a few useful pieces of information: “A cross-site scripting (XSS) vulnerability exists…

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Bad POODLE, Don’t Bite!

Posted October 16, 2014    BeyondTrust Research Team

Researchers at Google (Bodo Moller, Thai Duong, and Krzysztof Kotowicz) have discovered that the encryption schemes used by SSL 3.0 are exploitable (CVE-2014-3566). Although the majority of web servers implement Transport Layer Security (TLS), the majority of clients will downgrade to SSL 3.0 in an attempt to maintain interoperability between protocols. For example, when a…

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usb

MS14-063 – FastFat vulnerability fixed years ago…

Posted October 15, 2014    BeyondTrust Research Team

In vulnerability research, and computer security, we often deal strictly in the intangible. There are times however when tangible attack vectors can play a big part in real-world attacks. In a lot of cases it is USB memory sticks and related that play a common physical role in aiding attacks. From Stuxnet leveraging USB to bridge air gap networks…

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patch-tuesday

October 2014 Patch Tuesday

Posted October 14, 2014    BeyondTrust Research Team

This October Microsoft has released eight security bulletins that cover a variety of Windows technologies from client-application attacks that would be useful in drive-by web attacks to privilege escalation vulnerabilities useful as second stage payloads to elevate from a standard user to having increased Administrator privileges. We recommend patching MS14-056 (Internet Explorer) first and then…

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Bugzilla ‘realname’ Parameter Account Creation Vulnerability

Posted October 8, 2014    BeyondTrust Research Team

Bugzilla, a very popular web-based bug-tracking system, has recently announced that multiple vulnerabilities have been discovered (http://www.bugzilla.org/security/4.0.14/). Perhaps the most interesting of these vulnerabilities, discovered by Netanel Rubin of Check Point Software Technologies, is one in which an attacker can automatically be added to certain groups that they were not intended to be a part…

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PowerBroker for Unix & Linux helps prevent Shellshock

Posted September 25, 2014    Paul Harper

Like many other people who tinker with UNIX and Linux on a regular basis, BASH has always been my shell of choice.  Dating back to the early days moving from Windows to a non-Windows platform, mapping the keys correctly to allow easy navigation and control helped ensure an explosion of use for the shell. Unfortunately,…

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Bash “Shellshock” Vulnerability – Retina Updates

Posted September 24, 2014    BeyondTrust Research Team

A major vulnerability was recently discovered within bash which allows arbitrary command execution via specially crafted environment variables. This is possible due to the fact that bash supports the assignment of shell functions to shell variables. When bash parses environment shell functions, it continues parsing even after the closing brace of the function definition. If…

Retina Vulnerability Audits – September 2014 Patch Tuesday

Posted September 9, 2014    BeyondTrust Research Team

The following is a list of Retina vulnerability audits for this September 2014 Patch Tuesday: MS14-052 – Cumulative Security Update for Internet Explorer (2977629) 35141 – Microsoft Cumulative Security Update for Internet Explorer (2977629) 35142 – Microsoft Cumulative Security Update for Internet Explorer (2977629) – IE8/2003 35143 – Microsoft Cumulative Security Update for Internet Explorer (2977629) – IE8…

patch-tuesday

September 2014 Patch Tuesday

Posted September 9, 2014    BeyondTrust Research Team

This September Microsoft has released four security bulletins that cover a good level of Windows based attack surface. The two vulnerabilities that you should look to patch most immediately are MS14-052 (Internet Explorer) and MS14-054 (Windows Task Scheduler). Rounding things out you should get MS14-053 (.NET) done followed by MS14-055 (Lync) if applicable to your…

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patch-tuesday

Retina Vulnerability Audits – August 2014 Patch Tuesday

Posted August 12, 2014    BeyondTrust Research Team

The following is a list of Retina vulnerability audits for this August 2014 Patch Tuesday: MS14-043 – Vulnerability in Windows Media Center Could Allow Remote Code Execution (2978742) 34924 – Microsoft WMC Remote Code Execution (2978742) MS14-044 – Vulnerabilities in SQL Server Could Allow Elevation of Privilege (2984340) 34915 – Microsoft SQL Server Multiple Vulnerabilities (2984340) – 2008 34916 –…