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Posts Tagged ‘Microsoft’

6

A Quick Look at MS14-068

Posted November 20, 2014    BeyondTrust Research Team

Microsoft recently released an out of band patch for Kerberos.  Taking a look at the Microsoft security bulletin, it seems like there is some kind of issue with Kerberos signatures related to tickets. Further information is available in the Microsoft SRD Blogpost So it looks like there is an issue with PAC signatures.  But what…

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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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On-Demand Webcast: The Little JPEG that Could (Hack Your Organization) with Marcus Murray

Posted September 10, 2014    Chris Burd

IT security has come a long way, but every once in a while you see something that makes you think otherwise. Every day, internal and external hackers breach and traverse “secure” environments, making you wonder just how easy it is for attackers to completely compromise your network. In a new on-demand BeyondTrust webcast, Marcus Murray,…

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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

Retina Vulnerability Audits – June 2014 Patch Tuesday

Posted June 11, 2014    BeyondTrust Research Team

The following is a list of Retina vulnerability audits for this June 2014 Patch Tuesday.

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patch-tuesday

June 2014 Patch Tuesday

Posted June 10, 2014    BeyondTrust Research Team

This June we are greeted with 7 different Microsoft Security bulletins for Patch Tuesday. MS14-030 covers a vulnerability within Remote Desktop that could allow for tampering with RDP session data. The sky is not falling here though as in order for an attacker to perform this tampering they need to already be on the same network…

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How to Stop Pass-the-Hash Attacks on Windows Desktops

Posted June 2, 2014    Morey Haber

One of the most talked about presentations at Microsoft TechEd was Pass-The-Hash: How Attackers Spread and How to Stop Them by Mark Russinovich and Nathan Ide of Microsoft. This presentation demonstrated how simple it is to collect hashes from one machine and leverage them to compromise the entire infrastructure. The publication of attack techniques and lack…

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