__________________________________________________________
The U.S. Department of Energy
Computer Incident Advisory Capability
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__________________________________________________________
INFORMATION BULLETIN
ClamAV Buffer Overflow
[DSA-1153-1]
August 21, 2006 22:00 GMT Number Q-288
______________________________________________________________________________
PROBLEM: There is a heap overflow vulnerability in the UPX unpacker of
the ClamAV anti-virus toolkit.
PLATFORM: Debian GNU/Linux 3.1 (sarge)
DAMAGE: Could allow remote attackers to execute arbitrary code or cause
denial of service.
SOLUTION: Apply current patches.
______________________________________________________________________________
VULNERABILITY The risk is MEDIUM. Remote attackers could execute arbitrary
ASSESSMENT: code.
______________________________________________________________________________
LINKS:
CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/q-288.shtml
ORIGINAL BULLETIN: http://www.debian.org/security/2006/dsa-1153
CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4018
______________________________________________________________________________
[***** Start DSA-1153-1 *****]
Debian Security Advisory
DSA-1153-1 clamav -- buffer overflow
Date Reported:
18 Aug 2006
Affected Packages:
clamav
Vulnerable:
Yes
Security database references:
In the Bugtraq database (at SecurityFocus): BugTraq ID 19381.
In Mitre's CVE dictionary: CVE-2006-4018.
More information:
Damian Put discovered a heap overflow vulnerability in the UPX unpacker of the ClamAV anti-virus toolkit which could allow remote attackers to execute arbitrary code or cause denial of service.
For the stable distribution (sarge) this problem has been fixed in version 0.84-2.sarge.10.
For the stable distribution (sarge) this problem has been fixed in version 0.88.4-0volatile1 in the volatile archive.
For the unstable distribution (sid) this problem has been fixed in version 0.88.4-2.
We recommend that you upgrade your clamav packages.
Fixed in:
Debian GNU/Linux 3.1 (sarge)
Source:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10.dsc
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10.diff.gz
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84.orig.tar.gz
Architecture-independent component:
http://security.debian.org/pool/updates/main/c/clamav/clamav-base_0.84-2.sarge.10_all.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-docs_0.84-2.sarge.10_all.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-testfiles_0.84-2.sarge.10_all.deb
Alpha:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_sparc.deb
MD5 checksums of the listed files are available in the original advisory.
[***** End DSA-1153-1 *****]
_______________________________________________________________________________
CIAC wishes to acknowledge the contributions of Debian for the
information contained in this bulletin.
_______________________________________________________________________________
CIAC, the Computer Incident Advisory Capability, is the computer
security incident response team for the U.S. Department of Energy
(DOE) and the emergency backup response team for the National
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