WebEx GPCContainer ActiveX Control denial of service

webex-gpccontainer-dos (38445) The risk level is classified as MediumMedium Risk

Description:

The WebEx GPCContainer ActiveX Control (GpcContainer.GpcContainer.1) is vulnerable to a denial of service caused by a memory access violation in the InitParam() and SetParam() functions. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to cause the victim's browser to crash.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.4
  Exploitability: Proof-of-Concept
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of WebEx (WBS26 SP49 or later), available from the Cisco WebEx Web site. See References.

References:

  • BugTraq Mailing List, Tue Nov 13 16:50:33 GMT 2007 : WebEx GPCContainer Memory Access Violation.
  • Cisco WebEx Web site: Security Update.
  • BID-26430: WebEx GPCContainer Memory Access Violation Multiple Denial of Service Vulnerabilities
  • CVE-2007-6005: Unspecified vulnerability in the GpcContainer.GpcContainer.1 ActiveX control in WebEx allows remote attackers to cause a denial of service (memory access violation and crash) via (1) an invalid argument to the InitParam method or (2) an unspecified vector involving the SetParam method.
  • OSVDB ID: 45294: WebEx GpcContainer.GpcContainer.1 ActiveX Multiple Method Unspecified DoS

Platforms Affected:

  • Cisco WebEx WebEx GPCContainer ActiveX Control

Reported:

Nov 13, 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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