Chilkat XML ChilkatUtil.dll ActiveX control file overwrite

chilkatxml-chilkatutil-file-overwrite (45333) The risk level is classified as MediumMedium Risk

Description:

The Chilkat XML ActiveX control (ChilkatUtil.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 pass specially-crafted arguments to the filename or templateFilename parameter using the insecure SaveToFile(), AppendBinary() or SaveToTempFile() 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: 7.9
  Exploitability: Functional
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated

Consequences:

File Manipulation

Remedy:

No remedy available as of September 1, 2014.

References:

  • Chilkat Web site: Chilkat XML ActiveX.
  • shinnai Advisories: Chilkat XML ActiveX Remote Arbitrary File Creation/Execution.
  • BID-31332: Chilkat XML ActiveX Control Multiple Vulnerabilities
  • CVE-2008-4343: The Chilkat XML ChilkatUtil.CkData.1 ActiveX control (ChilkatUtil.dll) 3.0.3.0 and earlier allows remote attackers to create, overwrite, and modify arbitrary files for execution via a call to the (1) SaveToFile, (2) SaveToTempFile, or (3) AppendBinary method. NOTE: this issue might only be exploitable in limited environments or non-default browser settings. NOTE: this can be leveraged for remote code execution by accessing files using hcp:// URLs.
  • OSVDB ID: 48448: Chilkat XML ChilkatUtil.CkData.1 ActiveX (ChilkatUtil.dll) Multiple Method Arbitrary Code Execution
  • SA31951: Chilkat XML ActiveX Component Insecure Methods

Platforms Affected:

  • Chilkat Software Chilkat XML ActiveX control 3.0.3.0

Reported:

Sep 23, 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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