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[ GLSA 200809-18 ] ClamAV: Multiple Denials of Service
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GLSA
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PostPosted: Thu Sep 25, 2008 11:26 pm    Post subject: [ GLSA 200809-18 ] ClamAV: Multiple Denials of Service Reply with quote

Gentoo Linux Security Advisory

Title: ClamAV: Multiple Denials of Service (GLSA 200809-18)
Severity: normal
Exploitable: remote
Date: September 25, 2008
Bug(s): #236665
ID: 200809-18

Synopsis


Multiple vulnerabilities in ClamAV may result in a Denial of Service.


Background


Clam AntiVirus is a free anti-virus toolkit for UNIX, designed
especially for e-mail scanning on mail gateways.


Affected Packages

Package: app-antivirus/clamav
Vulnerable: < 0.94
Unaffected: >= 0.94
Architectures: All supported architectures


Description


Hanno boeck reported an error in libclamav/chmunpack.c when processing
CHM files (CVE-2008-1389). Other unspecified vulnerabilities were also
reported, including a NULL pointer dereference in libclamav
(CVE-2008-3912), memory leaks in freshclam/manager.c (CVE-2008-3913),
and file descriptor leaks in libclamav/others.c and libclamav/sis.c
(CVE-2008-3914).


Impact


A remote attacker could entice a user or automated system to scan a
specially crafted CHM, possibly resulting in a Denial of Service
(daemon crash). The other attack vectors mentioned above could also
result in a Denial of Service.


Workaround


There is no known workaround at this time.


Resolution


All ClamAV users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.94"


References

CVE-2008-1389
CVE-2008-3912
CVE-2008-3913
CVE-2008-3914


Last edited by GLSA on Fri Jun 22, 2012 4:26 am; edited 1 time in total
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