Chilkat Socket ActiveX control file overwrite

chilkat-socket-file-overwrite (46657)

Medium Risk

Description:

The Chilkat Socket ActiveX control (ChilkatSocket.dll) could allow a remote attacker to overwrite arbitrary files on the system. By persuading a victim to visit a malicious Web site, a remote attacker could exploit this vulnerability using the SaveLastError() insecure method to create and overwrite arbitrary files on the system.

*CVSS:

Base Score:	8.8
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	7.5
Exploitability:	Proof-of-Concept
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

File Manipulation

Remedy:

No remedy available as of February 6, 2010.

References:

• Chilkat Web site: Chilkat HTTP ActiveX.
• BID-32333: Chilkat Socket ActiveX 'SaveLastError()' Arbitrary File Overwrite Vulnerability
• CVE-2008-6959: Insecure method vulnerability in the Chilkat Socket ActiveX control (ChilkatSocket.ChilkatSocket.1) in ChilkatSocket.dll 2.3.1.1 allows remote attackers to overwrite arbitrary files via the SaveLastError method. NOTE: this might be related to CVE-2008-1647.
• SA32738: Chilkat Socket ActiveX Component "SaveLastError()" Insecure Method

Platforms Affected:

• Chilkat Software Chilkat Socket ActiveX control 2.3.1.1

Reported:

Nov 17, 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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