Clam Anti-Virus ClamAV OLE2 File Handling Denial Of Service Vulnerability

BID:15101

Info

Clam Anti-Virus ClamAV OLE2 File Handling Denial Of Service Vulnerability

Bugtraq ID: 15101
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2005-3239
Remote: Yes
Local: No
Published: Oct 13 2005 12:00AM
Updated: Oct 13 2005 12:00AM
Credit: Marcin Owsiany is credited with the discovery of this vulnerability.
Vulnerable: Mandriva Linux Mandrake 2006.0 x86_64
Mandriva Linux Mandrake 2006.0
Mandriva Linux Mandrake 10.2 x86_64
Mandriva Linux Mandrake 10.2
Mandriva Linux Mandrake 10.1 x86_64
Mandriva Linux Mandrake 10.1
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
Debian Linux 3.1 sparc
Debian Linux 3.1 s/390
Debian Linux 3.1 ppc
Debian Linux 3.1 mipsel
Debian Linux 3.1 mips
Debian Linux 3.1 m68k
Debian Linux 3.1 ia-64
Debian Linux 3.1 ia-32
Debian Linux 3.1 hppa
Debian Linux 3.1 arm
Debian Linux 3.1 amd64
Debian Linux 3.1 alpha
Debian Linux 3.1
Debian Linux 3.0 sparc
Debian Linux 3.0 s/390
Debian Linux 3.0 ppc
Debian Linux 3.0 mipsel
Debian Linux 3.0 mips
Debian Linux 3.0 m68k
Debian Linux 3.0 ia-64
Debian Linux 3.0 ia-32
Debian Linux 3.0 hppa
Debian Linux 3.0 arm
Debian Linux 3.0 alpha
Debian Linux 3.0
Clam Anti-Virus ClamAV 0.87
Not Vulnerable: Clam Anti-Virus ClamAV 0.87.1

Discussion

Clam Anti-Virus ClamAV OLE2 File Handling Denial Of Service Vulnerability

ClamAV is prone to a denial of service vulnerability. This is due to a failure in the application to handle malformed OLE2 files.

Exploitation could cause the application to enter an infinite loop, resulting in a denial of service.

Exploit / POC

Clam Anti-Virus ClamAV OLE2 File Handling Denial Of Service Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

Solution / Fix

Clam Anti-Virus ClamAV OLE2 File Handling Denial Of Service Vulnerability

Solution:
Gentoo has released advisory GLSA 200511-04 to address this issue. Gentoo updates may be applied by running the following commands as the superuser:

emerge --sync
emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.87.1"

Debian GNU/Linux has released advisory DSA 887-1 to address this, and other issues in ClamAV. Please see the referenced advisory for further information.

Mandriva Linux has released security advisory MDKSA-2005:205 with fixes addressing this and other issues. Users are advised to see the referenced advisory for details on obtaining and applying the appropriate updates.

Conectiva Linux has released security advisory CLSA-2005:1044 addressing this issue. Please see the referenced advisory for details on obtaining and applying the appropriate updates.

The vendor has released version 0.87.1 of ClamAV to address this issue:


Clam Anti-Virus ClamAV 0.87

References

Clam Anti-Virus ClamAV OLE2 File Handling Denial Of Service Vulnerability

References:

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