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Test ID:1.3.6.1.4.1.25623.1.0.902726
Category:Denial of Service
Title:ClamAV < 0.97.2 Hash Manager Off-By-One DoS Vulnerability - Windows
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 is due to the way the hash manager of ClamAV scans
messages with certain hashes.

Vulnerability Impact:
Successful exploitation will allow attackers to provide a message
with specially-crafted hash signature in it, leading to denial of service (clamscan executable
crash).

Affected Software/OS:
ClamAV versions prior to 0.97.2 (3.0.3.6870).

Solution:
Update to version 0.97.2 or later.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-2721
1025858
http://securitytracker.com/id?1025858
45382
http://secunia.com/advisories/45382
46717
http://secunia.com/advisories/46717
48891
http://www.securityfocus.com/bid/48891
74181
http://www.osvdb.org/74181
FEDORA-2011-15033
http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.html
FEDORA-2011-15076
http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068940.html
FEDORA-2011-15119
http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068941.html
MDVSA-2011:122
http://www.mandriva.com/security/advisories?name=MDVSA-2011:122
USN-1179-1
http://www.ubuntu.com/usn/USN-1179-1
[oss-security] 20110726 CVE Request -- Clam AntiVirus -- v0.97.2 -- Off-by-one error by scanning message hashes
http://www.openwall.com/lists/oss-security/2011/07/26/3
[oss-security] 20110726 Re: CVE Request -- Clam AntiVirus -- v0.97.2 -- Off-by-one error by scanning message hashes
http://www.openwall.com/lists/oss-security/2011/07/26/13
clamav-scan-dos(68785)
https://exchange.xforce.ibmcloud.com/vulnerabilities/68785
http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob_plain%3Bf=ChangeLog%3Bhb=clamav-0.97.2
http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commit%3Bh=4842733eb3f09be61caeed83778bb6679141dbc5
https://bugzilla.novell.com/show_bug.cgi?id=708263
https://bugzilla.redhat.com/show_bug.cgi?id=725694
https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2818
CopyrightCopyright (C) 2011 Greenbone Networks GmbH

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