37739 : Yahoo! Messenger ActiveX (YVerInfo.dll) Multiple Method Arbitrary Code Execution
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
10	1162	over 4 years ago	about 1 year ago	5 times	100%

Timeline

Vendor Informed Date	Vendor Ack Date	Disclosure Date	Vendor Solution Date
2007-08-21	2007-08-21	2007-08-29	2007-08-29

Time to Patch
8 days

Keywords

CLSID D5184A39-CBDF-4A4F-AC1A-7A45A852C883

Description

A buffer overflow exists in Yahoo Messenger. The YVerInfo.dll ActiveX control fails to validate data passed to the "fvCom()" method resulting in a stack overflow. With a specially crafted website, a context-dependent attacker can cause arbitrary code execution resulting in a loss of integrity.

Classification

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

Solution

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

Products

Yahoo! Inc.

Messenger

8.1

References

Security Tracker: 1018628
CVE ID: 2007-4515 (see also: NVD)
Bugtraq ID: 25494
Secunia Advisory ID: 26579
ISS X-Force ID: 36363
Metasploit ID: 37739
VUPEN Advisory: ADV-2007-3011
Other Advisory URL: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=591
http://securityreason.com/securityalert/3083
Vendor Specific News/Changelog Entry: http://messenger.yahoo.com/security_update.php?id=082907

Tools & Filters

Snort	12384 12385 12386 12387
	25955
	4199

Credit

Anonymous - iDefense Labs VCP

CVSSv2 Score

CVSSv2 Base Score = 9.3
Source: nvd.nist.gov | Generated: 2007-09-04 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

None found at this time

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