Yahoo! Messenger Webcam Upload ActiveX control buffer overflow

yahoo-webcam-upload-bo (34758) The risk level is classified as HighHigh Risk

Description:

The Yahoo! Messenger Webcam Upload ActiveX control (ywcupl.dll) is vulnerable to a stack-based buffer overflow. By persuading a victim to visit a specially-crafted Web page that passes an overly long "Server" property to the Send() method, a remote attacker could overflow a buffer and execute arbitrary code on the system with the privileges of the user or cause the victim's browser to crash.

*CVSS:

Base Score: 8
  Access Vector: Remote
  Access Complexity: High
  Authentication: Not Required
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 6.6
  Exploitability: Functional
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Yahoo! Messenger (8.1.0.401 or later), available from the Yahoo! Messenger Web site. See References.

References:

Platforms Affected:

  • Yahoo Webcam ActiveX Control 2.0.1.4

Reported:

Jun 06, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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