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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200509-18] Qt: Buffer overflow in the included zlib library


Vulnerability Assessment Details

[GLSA-200509-18] Qt: Buffer overflow in the included zlib library

Vulnerability Assessment Summary
Qt: Buffer overflow in the included zlib library

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200509-18
(Qt: Buffer overflow in the included zlib library)


Qt links to a bundled vulnerable version of zlib when emerged with the
zlib USE-flag disabled. This may lead to a buffer overflow.

Impact

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

Workaround

Emerge Qt with the zlib USE-flag enabled.

References:
http://www.gentoo.org/security/en/glsa/glsa-200507-05.xml
http://www.gentoo.org/security/en/glsa/glsa-200507-19.xml
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-1849
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2096


Solution:
All Qt users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/qt-3.3.4-r8"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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