DynaZip DZIP32.DLL/DZIPS32.DLL Buffer Overflow Vulnerabilities

2009.04.15

Credit: Tan Chew Keong

Risk: High

Local: Yes

Remote: No

CVE: CVE-2008-4420

CWE: CWE-119

CVSS Base Score: 9.3/10

Impact Subscore: 10/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Complete

Integrity impact: Complete

Availability impact: Complete

[vuln.sg] Vulnerability Research Advisory
DynaZip DZIP32.DLL/DZIPS32.DLL Buffer Overflow Vulnerabilities
by Tan Chew Keong
Release Date: 2006-07-25
Summary
-------
Some vulnerabilities have been found in DynaZip DZIP32.DLL/DZIPS32.DLL. When exploited, the vulnerabilities allow execution of arbitrary code when the user fixes (repairs) a malicious ZIP archive, or add/update/freshen files to a malicious ZIP archive.
Tested Versions
---------------
DynaZip Max (Evaluation Version) with DZIP32.DLL version 5.0.0.7
DynaZip Max Secure (Evaluation Version) with DZIPS32.DLL version 6.0.0.4
Details
-------
http://vuln.sg/dynazip5007-en.html

See this note in RAW Version

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