CAM UnZip ZIP archive buffer overflow

camunzip-archive-bo (26549) The risk level is classified as HighHigh Risk

Description:

CAM UnZip is vulnerable to a stack-based buffer overflow, caused by improper bounds checking of file names in a ZIP archive. By creating a malicious ZIP archive containing an overly long file name, a remote attacker could overflow a buffer and execute arbitrary code on the system, once the malicious ZIP file is extracted.


Consequences:

Gain Access

Remedy:

Upgrade to the latest version of CAM UnZip (4.4 or later), available from the CAM UnZip Web site. See References.

References:

  • CAM UnZip Web site: Download.
  • CAM UnZip Web site: CAM UnZip.
  • BID-17880: TZipBuilder ZIP File Buffer Overflow Vulnerability
  • CVE-2006-2161: Buffer overflow in (1) TZipBuilder 1.79.03.01, (2) Abakt 0.9.2 and 0.9.3-beta1, (3) CAM UnZip 4.0 and 4.3, and possibly other products, allows user-assisted attackers to execute arbitrary code via a ZIP archive that contains a file with a long file name.
  • SA19945: TZipBuilder ZIP File Handling Buffer Overflow Vulnerability
  • SA19946: CAM UnZip ZIP File Handling Buffer Overflow Vulnerability
  • SA20068: Abakt ZIP File Handling Buffer Overflow Vulnerability
  • SECTRACK ID: 1016064: TZipBuilder Buffer Overflow in Processing ZIP Archives Lets Remote Users Execute Arbitrary Code
  • SECTRACK ID: 1016107: Abakt Buffer Overflow in Processing Zip Files Lets Remote Users Execute Arbitrary Code

Platforms Affected:

  • CAM Development CAM UnZip 4.0
  • CAM Development CAM UnZip 4.3

Reported:

May 19, 2006

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