WebEx ActiveX control multiple buffer overflows

webex-activex-multiple-bo (27786)

High Risk

Description:

The WebEx ActiveX control has multiple unspecified buffer overflow vulnerabilities. A remote attacker could exploit these vulnerabilities to execute arbitrary code on a victim's system, if the attacker could persuade the victim to visit a malicious Web site.

*CVSS:

Base Score:	7
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	5.2
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of the WebEx ActiveX control for Microsoft Internet Explorer or Mozilla Firefox (2.1.0.0 or later), available from the WebEx Communications, Inc. Web site. See References.

References:

• Internet Security Systems Protection Advisory July 6, 2006: WebEx ActiveX Control DLL Injection.
• WebEx Communications, Inc. Web site: Security Update.
• CVE-2006-3424: Multiple buffer overflows in WebEx Downloader ActiveX Control, possibly in versions before November 2005, allow remote attackers to execute arbitrary code via unspecified vectors.
• SA20956: WebEx Downloader Plug-in Multiple Vulnerabilities
• VUPEN/ADV-2006-2688: WebEx ActiveX Control Components Download Remote Code Execution Vulnerability

Platforms Affected:

• WebEx Communications WebEx ActiveX control prior to 2.1.0.0

Reported:

Jul 06, 2006

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For corrections or additions please email xforce@iss.net

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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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