65212 : Microsoft IE CStyleSheet Object Handling Memory Corruption
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
8	1042	almost 3 years ago	about 2 years ago	12 times	100%

Timeline

Disclosure Date
2010-06-08

Time to Patch
74 days

Description

A memory corruption flaw exists in Microsoft Internet Explorer. The program fails to sanitize user-supplied input when a use-after-free error occurs due to an invalid pointer being utilized during use of CStyleSheets, resulting in memory corruption. With a specially crafted page containing a CStyleSheet, a context-dependent attacker can execute arbitrary code.

Classification

Location: Remote / Network Access, Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Private
Disclosure: Vendor Verified, Coordinated Disclosure
OSVDB: Web Related

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.

Products

Microsoft Corporation	Internet Explorer	6
		6 SP1
		7
		8

References

CVE ID: 2010-1262 (see also: NVD)
Secunia Advisory ID: 40062
Related OSVDB ID: 65211 65213 65214 65215
Microsoft Knowledge Base Article: 982381
News Article: http://blogs.technet.com/b/msrc/archive/2010/06/03/june-2010-security-bulletin-advance-notification.aspx
http://news.cnet.com/8301-27080_3-20006781-245.html
Mail List Post: http://seclists.org/bugtraq/2010/Jun/94
Other Advisory URL: http://vreugdenhilresearch.nl/Pwn2Own-2010-Windows7-InternetExplorer8.pdf
http://www.darkreading.com/vulnerability_management/security/app-security/showArticle.jhtml?articleID=225500033
http://www.darkreading.com/vulnerability_management/security/attacks/showArticle.jhtml?articleID=224200392
http://www.zerodayinitiative.com/advisories/ZDI-10-102
Microsoft Security Bulletin: MS10-035
CERT: TA10-159B

Tools & Filters

	46842

Credit

Peter Vreugdenhil - Zero Day Initiative (ZDI)

CVSSv2 Score

CVSSv2 Base Score = 9.3
Source: nvd.nist.gov | Generated: 2010-06-09 | Disagree?

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