This morning we released MS09-012, an update to address the publicly-disclosed issue commonly referred to as Token Kidnapping (http://www.argeniss.com/research/TokenKidnapping.pdf). This vulnerability allows escalation from the Network Service account …
MS09-010 addresses vulnerabilities in Word converters used by WordPad and by Office to load files saved in old file formats. Some of you probably saw this bulletin and thought “I never open documents from versions of Word prior to Word XP,” and you may…
This month we are taking another step towards blocking NTLM reflection attacks by releasing MS09-014 for Internet Explorer and MS09-013 for Windows. This is the third update related to NTLM credential reflection we have released, and I thought it would…
We just released eight security bulletins, five of which are rated Critical on at least one platform. We built a reference table of bulletin severity rating, exploitability index rating, and attack vectors. This table is sorted first by bulletin severi…
At the CanSecWest conference earlier this month we made our first public release of the !exploitable Crash Analyzer. While an upcoming white paper and the CanSecWest slide deck go into detail on the technology involved, we thought it might be useful to…
MSHTML, a.k.a. Trident, is the Internet Explorer browser rendering engine. MSHTML is a great solution for rendering HTML content, either in the context of a web browser, or simply to display rich UI in an application. You are likely not even aware of s…
This afternoon, we posted Security Advisory 969136 describing a new vulnerability in PowerPoint while parsing the legacy binary file format. Unfortunately, we discovered this vulnerability being used to deploy malware in targeted attacks. We expect thi…
MSHTML, a.k.a. Trident, is the Internet Explorer browser rendering engine. MSHTML is a great solution for rendering HTML content, either in the context of a web browser, or simply to display rich UI in an application. You are likely not even aware of s…
Yesterday we noticed a blog post and securityfocus article about a potential new vulnerability in Microsoft GDI+ when parsing a specially-crafted EMF file. You might have heard about it referred to as ‘GpFont.SetData()’. We wanted to address some specu…
Last summer at BlackHat Vegas, Alexander Sotirov and Mark Dowd outlined several clever ways to bypass the Windows Vista defense-in-depth protection combination of DEP and ASLR in attacks targeting Internet Explorer. One approach they presented allowed …
