[SECURITY] [DTSA-21-1] New clamav packages fix Denial of service vulnerabilities and buffer overflow
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Debian Testing Security Advisory DTSA-21-1 November 3rd, 2005
secure-testing-team@lists.alioth.debian.org Micah Anderson
http://secure-testing-master.debian.net/
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Package : clamav
Vulnerability : Denial of service vulnerabilities and buffer overflow
Problem-Scope : remote
Debian-specific: No
CVE ID : CVE-2005-3239 CVE-2005-3500 CVE-2005-3501 CVE-2005-3303
Multiple security holes were found in clamav:
CVE-2005-3239
The OLE2 unpacker allows remote attackers to cause a denial of service
by sending a DOC file with an invalid property tree, triggering
an infinite recursion.
CVE-2005-3500
The tnef_attachment function in Clam AntiVirus before 0.87.1
allows remote attackers to cause a denial of service, through
an infinate loop and memory exhaustion, by crafting a CAB file
with a value that causes ClamAV to repeatedly scan the same block
CVE-2005-3501
The cabd_find function in of the libmspack library in Clam AntiVirus
before 0.87.1 allows remote attackers to cause a denial of service
via a crafted CAB file that causes cabd_find to be called with a zero
length.
CVE-2005-3303
The FSB unpacker in Clam AntiVirus 0.80 through 0.87 allows
remote attackers to cause memory corruption and execute arbitrary
code via a crafted FSG 1.33 file.
For the testing distribution (etch) this is fixed in version
0.87.1-0etch.1
For the unstable distribution (sid) this is fixed in version
0.87.1
This upgrade is recommended if you use clamav.
The Debian testing security team does not track security issues for the
stable (sarge) and oldstable (woody) distributions. If stable is vulnerable,
the Debian security team will make an announcement once a fix is ready.
Upgrade Instructions
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To use the Debian testing security archive, add the following lines to
your /etc/apt/sources.list:
deb http://secure-testing.debian.net/debian-secure-testing etch/security-updates main contrib non-free
deb-src http://secure-testing.debian.net/debian-secure-testing etch/security-updates main contrib non-free
The archive signing key can be downloaded from
http://secure-testing-master.debian.net/ziyi-2005-7.asc
To install the update, run this command as root:
apt-get update && apt-get upgrade
For further information about the Debian testing security team, please refer
to http://secure-testing-master.debian.net/
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