Tuesday, January 12, 2010
MS10-001 addresses a vulnerability (CVE-2010-0018 ) in the LZCOMP de-compressor for Microtype Express Fonts. This blog aims to answer some questions regarding the updates we’ve made in this area. What is the issue? t2embed.dll improperly performs bounds-checking on lengths which are decoded from the LZCOMP bit-stream. This made it possible for a copy loop to violate the intended working buffer.
Tuesday, December 08, 2009
This morning we released six security bulletins, three Critical and three Important, addressing 12 CVE’s. Please apply the Internet Explorer update right away as it poses the most risk of all the bulletins due to severity and exploitability. The Internet Explorer update addresses the vulnerability described by Security Advisory 977981. We hope that the table and commentary below will help you prioritize the deployment of the other updates appropriately.
Friday, November 20, 2009
In a previous blog post we discussed the technical details of Structured Exception Handler Overwrite Protection (SEHOP) which is an exploit mitigation feature that was first introduced in Windows Vista SP1 and Windows Server 2008 RTM. SEHOP prevents attackers from being able to use the Structured Exception Handler (SEH) overwrite exploitation technique when attempting to exploit certain types of software vulnerabilities.
Friday, November 13, 2009
Today we released Security Advisory 977544 to provide information, including customer guidance, on a publicly reported Denial-of-Service (DoS) vulnerability affecting Server Messaging Block (SMB) Protocol. This vulnerability, in SMBv1 and SMBv2, affects Windows 7 and Windows Server 2008 R2. Windows Vista, Windows Server 2008, Windows XP, Windows Server 2003 and Windows 2000 are not affected.
Monday, October 12, 2009
This morning we released 13 security bulletins, our largest release of 2009. Altogether, these bulletins address 34 separate CVEs. We’d like to use this blog post to help you prioritize your deployment of the updates. Prioritization Criteria We’ve provided a prioritized list of bulletins in the table below. The prioritization is based on the following criteria:
Friday, September 18, 2009
We’d like to give everyone an update on the situation surrounding the new Microsoft Server Message Block Version 2 (SMBv2) vulnerability affecting Windows Vista and Windows Server 2008. Easy way to disable SMBv2 First exploit for code execution released to small number of companies Mitigations that help prevent attacks Status of fixes Easy way to disable SMBv2
Sunday, September 13, 2009
Handle: C-Lizzle IRL: Celene Temkin Rank: Program Manager 2 & BlueHat Project Manager Likes: Culinary warfare, BlueHat hackers and responsible disclosure Dislikes: Acts of hubris, MySpace, orange mocha Frappaccinos! BlueHat v9 will take place from October 21 to 23 at the Microsoft campus in Redmond. Last year, we experimented with a day dedicated to attacks and a day dedicated to SDL security mitigations.
Tuesday, September 08, 2009
This morning we released five security bulletins, all of them having a bulletin maximum severity rating of Critical and two having a bulletin maximum exploitability index rating of “1” (Consistent exploit code likely). We wanted to just say a few words about each bulletin to help you prioritize your deployment this month.
Tuesday, September 08, 2009
This month we released MS09-048 which addresses three vulnerabilities in the Windows TCP/IP stack. One of the vulnerabilities, CVE-2009-1925, is rated Critical due to the risk of Remote Code Execution (RCE). The other two vulnerabilities are Denial of Service (DoS) issues (due to memory exhaustion) without the risk of RCE.
Tuesday, August 11, 2009
We have released MS09-036 to address an anonymous denial of service (DoS) vulnerability in ASP.NET. We’d like to go into more detail in this blog to help you understand: Which configurations are at risk? What could happen if my configuration is impacted? How can I protect myself? Which configurations are at risk?
