6867 : Yahoo! Messenger IMvironment Field Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
2	200	over 7 years ago	over 3 years ago	0 times	90%

Timeline

Discovery Date	Disclosure Date
2002-02-21	2002-02-21

Description

A remote overflow exists in Yahoo Messenger. The Yahoo Messenger fails to validate the length of the IMvironment field of the Yahoo protocol resulting in a buffer overflow. With a specially crafted request, an attacker can cause the victim's Messenger client to crash resulting in a loss of availability.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity, Loss of Availability
Exploit: Exploit Unknown

Solution

Upgrade to version 5.0 Build 1065 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Yahoo! Inc.

Messenger

5.0

References

CVE ID: 2002-0320 (see also: NVD)
Bugtraq ID: 4163
Related OSVDB ID: 6866 6868 6869
ISS X-Force ID: 8265
CERT VU: 887319
CERT: CA-2002-16
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2002-02/0246.html
Vendor URL: http://messenger.yahoo.com

Tools & Filters

	1264 1266

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Blogs

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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.

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