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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200507-19] zlib: Buffer overflow

Vulnerability Assessment Details

[GLSA-200507-19] zlib: Buffer overflow

Vulnerability Assessment Summary
zlib: Buffer overflow

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200507-19
(zlib: Buffer overflow)

zlib improperly handles invalid data streams which could lead to a
buffer overflow.

Impact

By creating a specially crafted compressed data stream, attackers
can overwrite data structures for applications that use zlib, resulting
in arbitrary code execution or a Denial of Service.

Workaround

There is no known workaround at this time.

References:
http://archives.neohapsis.com/archives/fulldisclosure/2005-07/0489.html
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-1849

Solution:
All zlib users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-libs/zlib-1.2.3"

Network Security Threat Level: High

Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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