BlueSkyChat v2.ocx ActiveX control buffer overflow

blueskychat-v2-bo (35699)

High Risk

Description:

The BlueSkyChat ActiveX control, v2.ocx, is vulnerable to a heap-based buffer overflow. By persuading a victim to visit a specially-crafted Web page that passes an overly long string to the ConnecttoServer() 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:	7.2
Exploitability:	Functional
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of July 9, 2011.

References:

• BlueSky Web site: BlueSkychat.
• Code Audit Labs blog: CAL-20070730-1 BlueSkyCat ActiveX Remote Heap Overflow vulnerability .
• Code Audit Labs: Vulnhunt Web site: CAL-20070730-1 BlueSkyCat ActiveX Remote Heap Overflow vulnerability.
• Full-Disclosure Mailing List, Mon Jul 30 2007 - 20:10:43 CDT: CAL-20070730-1 BlueSkyCat ActiveX Remote Heap Overflow vulnerability.
• BID-25149: BlueSkyChat ActiveX Control Buffer Overflow Vulnerability
• CVE-2007-4145: Heap-based buffer overflow in the BlueSkychat (BlueSkyCat) ActiveX control (V2.V2Ctrl.1) in v2.ocx 8.1.2.0 and earlier allows remote attackers to execute arbitrary code via a long string in the second argument to the ConnecttoServer method.

Platforms Affected:

• BlueSky BlueSkychat 8.1.2.0 and prior

Reported:

Jul 31, 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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