Benefits of IE Protected Mode
One of the vulnerabilities addressed in MS09-019, CVE-2009-1140, involves navigating to a local file via a UNC path, ex: \\127.0.0.1\c$. This roundabout way of navigating to a file is necessary to execute local content suc…
In a previous post we provided some background on the !exploitable Crash Analyzer which was released earlier this year. One of the things that we didn’t mention is that !exploitable is just one of the debugger commands exported by the MSEC debugger ext…
Recently, we found a remote code execution vulnerability in Microsoft’s DirectShow platform (quartz.dll) when processing the QuickTime format. We have released advisory 971778 providing guidance to help protect customers. We’d like to go into more deta…
The heap in user mode has a number of different measures built in to make exploiting heap overrun vulnerabilities more challenging. Similar checks have been in debug versions of the kernel pool for some time to aid driver debugging. Windows 7 RC is the…
We have heard several questions from customers about the WebDAV authentication bypass issue on IIS. We wanted to post common questions and answers here to help anyone else who might have the same question.
Question: Is Sharepoint vulnerable to the auth…
Security Advisory 971492 provides official guidance about the new IIS authentication bypass vulnerability. We’d like to go into more detail in this blog to help you understand:
Am I at risk? If so, what could happen? How can I protect myself? Which IIS…
Security update MS09-017 addresses the PowerPoint (PPT) zero-day vulnerability that has recently been used in targeted attacks. We issued security advisory 969136 with workarounds on April 2nd after we first saw the exploits in-the-wild abusing this vu…
As some of our readers are well aware, Conficker and other malware is taking advantage of the AutoRun functionality as a spreading mechanism. Furthermore, over the last couple of months, there has been a significant increase of this threat, as more mal…
On Wednesday, a PoC was posted to milw0rm describing an “integer overflow” in Windows Media Player. We investigated the .mid file and found it to be a duplicate of a non-exploitable crash previously posted publicly on Bugtraq around Christmas, four mon…
Following up on Security Advisory 953818, today we released MS09-014, rated as Moderate, which addresses aspects of the Safari Carpet Bomb vulnerability. On a Windows operating system this vulnerability allows an attacker, through Safari, to drop arbit…
