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clamav: Crash with crafted chm, CVE-2008-1389
References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1389
CVE-2008-1389-clamav-chd.html" class="fixed">http://int21.de/cve/CVE-2008-1389-clamav-chd.html
http://www.int21.de/cve/cve-2008-1389-samples.tar.bz2
https://wwws.clamav.net/bugzilla/show_bug.cgi?id=1089
Description
A fuzzing test showed weakness in the chm parser of clamav, which can possibly
be exploited.
The clamav team has disabled the chm module in older versions though freshclam
updates and has released 0.94 with a fixed parser.
The clamav team has not mentioned this issue in the release notes of 0.94,
which is very bad security behaviour.
Disclosure Timeline
2008-07-09: clamav bug opened
unknown date: clamav disables chm-parser through freshclam
2008-09-02 Vendor releases 0.94
2008-09-04 Released this advisory
CVE Information
The Common Vulnerabilities and Exposures (CVE) project has assigned the name
CVE-2008-1389 to this issue. This is a candidate for inclusion in the CVE
list (http://cve.mitre.org/), which standardizes names for security problems.
Credits and copyright
This vulnerability was discovered by Hanno Boeck of schokokeks.org webhosting.
It's licensed under the creative commons attribution license.
Hanno Boeck, 2008-09-04, http://www.hboeck.de
--
Hanno Bock Blog: http://www.hboeck.de/
GPG: 3DBD3B20 Jabber/Mail: hanno@hboeck.de
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