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Test ID:1.3.6.1.4.1.25623.1.0.800067
Category:Denial of Service
Title:ClamAV < 0.94.1 get_unicode_name() Off-By-One Heap based BOF Vulnerability
Summary:ClamAV is prone to a denial of service (DoS) vulnerability.
Description:Summary:
ClamAV is prone to a denial of service (DoS) vulnerability.

Vulnerability Insight:
The flaw exists due to an off-by-one error in the function
get_unicode_name() in libclamav/vba_extract.c.

Vulnerability Impact:
A specially crafted VBA project when opened causes heap buffer
overflow which can be exploited by attackers to execute arbitrary code on the system with clamd
privileges or cause the application to crash.

Affected Software/OS:
ClamAV before version 0.94.1.

Solution:
Update to version 0.94.1 or later.

CVSS Score:
9.3

CVSS Vector:
AV:N/AC:M/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2008-5050
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
BugTraq ID: 32207
http://www.securityfocus.com/bid/32207
Bugtraq: 20081108 ClamAV get_unicode_name() off-by-one buffer overflow (Google Search)
http://www.securityfocus.com/archive/1/498169/100/0/threaded
Debian Security Information: DSA-1680 (Google Search)
http://www.debian.org/security/2008/dsa-1680
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00332.html
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00348.html
http://lists.grok.org.uk/pipermail/full-disclosure/2008-November/065530.html
http://security.gentoo.org/glsa/glsa-200812-21.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2008:229
http://www.securitytracker.com/id?1021159
http://secunia.com/advisories/32663
http://secunia.com/advisories/32699
http://secunia.com/advisories/32765
http://secunia.com/advisories/32872
http://secunia.com/advisories/33016
http://secunia.com/advisories/33317
http://secunia.com/advisories/33937
http://securityreason.com/securityalert/4579
SuSE Security Announcement: SUSE-SR:2008:026 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00002.html
http://www.ubuntu.com/usn/usn-672-1
http://www.vupen.com/english/advisories/2008/3085
http://www.vupen.com/english/advisories/2009/0422
XForce ISS Database: clamav-getunicodename-bo(46462)
https://exchange.xforce.ibmcloud.com/vulnerabilities/46462
CopyrightCopyright (C) 2008 Greenbone Networks GmbH

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