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Posts Tagged ‘Patch Tuesday’

12

Fuzzing for MS15-010

Posted February 17, 2015    BeyondTrust Research Team

Intro This past Patch Tuesday Microsoft released MS15-010: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Remote Code Execution.  This patch addressed multiple privately reported vulnerabilities in win32k.sys and one publicly disclosed vulnerability in cng.sys. Win32k.sys Diff The first notable thing we noticed was that several handlers for TrueType instructions, @irtp_*, were touched.  While we did…

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patch-tuesday

February 2015 Patch Tuesday

Posted February 10, 2015    BeyondTrust Research Team

Microsoft patched a fairly hefty 58 CVEs across 9 bulletins this month, with Internet Explorer taking the lion’s share of those fixes. Among the offending flaws are remote code execution, security bypass, elevation of privilege, and information disclosure vulnerabilities. MS15-009 fixes 41 assorted flaws in Internet Explorer including remote code execution, ASLR bypass, privilege elevation…

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patch-tuesday

January 2015 Patch Tuesday

Posted January 14, 2015    BeyondTrust Research Team

Starting off the new year, Microsoft directs its focus more toward user rights and access. For the majority of bulletins, an attacker would need some form of authentication prior to elevating their privileges. Aside from these, the most notable vulnerability lies within an old friend named Telnet, which even the newer versions of windows are…

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patch-tuesday

December 2014 Patch Tuesday

Posted December 9, 2014    BeyondTrust Research Team

This month marks the final Patch Tuesday of 2014. Most of what is being patched this month includes Internet Explorer, Exchange, Office, etc… and continues a trend of the greatest hits collection of commonly attacked Microsoft software. Probably the one thing that broke the mold this month is that for once there is not some…

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Triggering MS14-066

Triggering MS14-066

Posted November 17, 2014    BeyondTrust Research Team

Microsoft addressed CVE-2014-6321 this Patch Tuesday, which has been hyped as the next Heartbleed.  This vulnerability (actually at least 2 vulnerabilities) promises remote code execution in applications that use the SChannel Security Service Provider, such as Microsoft Internet Information Services (IIS). The details have been scarce.  Lets fix that. Looking at the bindiff of schannel.dll, we see a…

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patch-tuesday

November 2014 Patch Tuesday

Posted November 11, 2014    BeyondTrust Research Team

This month brings a massive number of bulletins and vulnerabilities covering a wide array of Microsoft products. As with most months some of the more critical vulnerabilities to patch immediately are within Internet Explorer and kernel privilege escalation vulnerabilities. There are also a lot of other unique vulnerabilities that will vary on criticality depending on…

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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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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

August 2014 Patch Tuesday

Posted August 12, 2014    BeyondTrust Research Team

This August Microsoft has released nine security bulletins which account for a whole variety of critical vulnerabilities. The most critical bulletins are MS14-051 (Internet Explorer), MS14-045 (Kernel-mode), and MS14-049 (Windows Installer). MS14-043 fixes a critical code execution vulnerability within Windows Media Center (people still use that?). The vulnerability itself is specifically within a COM object…

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patch-tuesday

July 2014 Patch Tuesday

Posted July 8, 2014    BeyondTrust Research Team

This July Microsoft has released six security bulletins which account for over 29 unique vulnerabilities. The most critical bulletins are MS14-037 (Internet Explorer), MS14-038 (Windows Journal)  and MS14-040 (Windows AFD). MS14-037 starts things off with another massive Internet Explorer update on the heels of MS14-035 from last month. This new Internet Explorer bulletin covers over…

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