[Japanese]

JVNDB-2007-000645

7-ZIP32.DLL buffer overflow vulnerability

Overview

7-ZIP32.DLL, a library for compression and decompression supporting 7z, zip, and some other format files, contains a buffer overflow vulnerability.

7-ZIP32.DLL is an open source library for compression and decompression supporting 7z, zip, and some other format files. 7-ZIP32.DLL is based on "Integrated Archiver API Specification", and called from the compression/decompression software. 7-ZIP32.DLL contains a buffer overflow vulnerability. If a user decompresses and opens a specially crafted file, a remote attacker could possibly execute arbitrary code with the privilege of the user.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products


Akky
  • 7-ZIP32.DLL Version 4.42.00.03 and earlier

Impact

Arbitrary code could be executed with the privilege of a user who opened a specially crafted file.
Solution

[Upgrade]

Apply the latest updates provided by the developer.
For more information, refer to the developer's website.
Vendor Information

Akky
CWE (What is CWE?)

  1. Buffer Errors(CWE-119) [NVD Evaluation]
CVE (What is CVE?)

  1. CVE-2007-4725
References

  1. JVN : JVN#62868899
  2. National Vulnerability Database (NVD) : CVE-2007-4725
  3. Secunia Advisory : SA26624
  4. ISS X-Force Database : 36459
  5. FrSIRT Advisories : FrSIRT/ADV-2007-3086
Revision History

  • [2008/05/21]
      Web page published

Date Public2007/09/05
Date First Published2008/05/21
Date Last Updated2008/05/21