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Posts Tagged ‘Patch Tuesday’

patch-tuesday

May 2015 Patch Tuesday

Posted May 13, 2015    BeyondTrust Research Team

This month’s Patch Tuesday is massive, to say the least, with a total of 13 bulletins, affecting many products and all versions of Windows. Earlier this month, Microsoft announced that the upcoming Windows 10 will not follow the typical Patch Tuesday cycle and updates will be provided when they become available.

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The Delicate Art of Remote Checks – A Glance Into MS15-034

Posted April 15, 2015    Bill Finlayson

Remote vulnerability detection – using ms15-034 as an example.

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patch-tuesday

April 2015 Patch Tuesday

Posted April 14, 2015    BeyondTrust Research Team

Microsoft gave everyone a breather in this month’s Patch Tuesday, serving up fixes for a surprisingly modest 26 vulnerabilities. The fixes address various flaws including remote code execution, information disclosure, security feature bypass and cross-site scripting to name a few. Let’s dive right in: MS15-032 – Cumulative Security Update for Internet Explorer (3038314) IE makes…

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patch-tuesday

March 2015 Patch Tuesday

Posted March 10, 2015    BeyondTrust Research Team

Microsoft patched 44 CVEs across 14 bulletins this month, with vulnerabilities in Internet Explorer and Adobe Font Driver necessitating the bulk of those fixes. With so many bulletins, it was only natural that a wide variety of security flaws were found:  remote code execution, elevation of privilege, denial of service, information disclosure, cross-site scripting, spoofing and security feature bypass were all present and accounted…

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12

Fuzzing for MS15-010

Posted February 17, 2015    Bill Finlayson

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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