Cisco Webex Meeting Manager WebexUCFObject ActiveX control buffer overflow

webex-webexucfobject-bo (44250) The risk level is classified as HighHigh Risk

Description:

The Cisco WebexUCFObject ActiveX control (atucfobj.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 string to the NewObject() method, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the victim's browser to crash.

*CVSS:

Base Score: 9.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 7.3
  Exploitability: Proof-of-Concept
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Refer to cisco-sa-20080814-webex for patch, upgrade or suggested workaround information. See References.

References:

  • cisco-sa-20080814-webex: Cisco Security Advisory: Vulnerability in Cisco WebEx Meeting Manager ActiveX Control.
  • Full-Disclosure Mailing List, Wed Aug 06 2008 - 12:20:02 CDT: Webex atucfobj Module ActiveX Control Buffer Overflow Vulnerability.
  • WebEx Web site: WebEx Meeting Manager .
  • BID-30578: WebEx Meeting Manager 'atucfobj.dll' ActiveX Control Remote Buffer Overflow Vulnerability
  • CVE-2008-3558: Stack-based buffer overflow in the WebexUCFObject ActiveX control in atucfobj.dll in Cisco WebEx Meeting Manager before 20.2008.2606.4919 allows remote attackers to execute arbitrary code via a long argument to the NewObject method.
  • SA31397: Webex Meeting Manager WebexUCFObject ActiveX Control Buffer Overflow
  • SECTRACK ID: 1020641: Webex Meeting Manager Buffer Overflow in ActiveX Control Lets Remote Users Execute Arbitrary Code
  • US-CERT VU#661827: Cisco WebEx Meeting Manager WebexUCFObject ActiveX Control stack buffer overflow
  • VUPEN/ADV-2008-2319: Webex Meeting Manager ActiveX Control Buffer Overflow Vulnerability

Platforms Affected:

  • Cisco WebEx Meeting Manager 20.2008.2601.4928

Reported:

Aug 06, 2008

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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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