|
|
Family: Gentoo Local Security Checks --> Category: infos
[GLSA-200511-23] chmlib, KchmViewer: Stack-based buffer overflow Vulnerability Scan
Vulnerability Scan Summary
chmlib, KchmViewer: Stack-based buffer overflow
Detailed Explanation for this Vulnerability Test
The remote host is affected by the vulnerability described in GLSA-200511-23
(chmlib, KchmViewer: Stack-based buffer overflow)
Sven Tantau reported about a buffer overflow vulnerability in
chmlib. The function "_chm_decompress_block()" does not properly
perform boundary checking, resulting in a stack-based buffer overflow.
Impact
By convincing a user to open a specially crafted ITSS or CHM file,
using KchmViewer or a program makes use of chmlib, a remote attacker
could execute arbitrary code with the rights of the user running
the software.
Workaround
There is no known workaround at this time.
References:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3318
Solution:
All chmlib users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-doc/chmlib-0.37.4"
All KchmViewer users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-doc/kchmviewer-1.1"
Threat Level: Medium
Click HERE for more information and discussions on this network vulnerability scan.
|
