PT-2011-4043 · Cisco · Clamav

Published 2011-08-05 · Updated 2024-06-15 · CVE-2011-2721

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions ClamAV versions prior to 0.97.2

Description The issue is caused by an off-by-one error in the cli hm scan function, located in the matcher-hash.c file of the libclamav library. This error allows remote attackers to cause a denial of service, resulting in the daemon crashing when it encounters an e-mail message that is not properly handled during certain hash calculations.

Recommendations For versions prior to 0.97.2, update to version 0.97.2 or later to resolve the issue.

Fix

Weakness Enumeration

CWE-189

Related Identifiers

CVE-2011-2721

OPENSUSE-SU-2024:10571-1

Affected Products

Clamav

References · 39

• http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.html · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068940.html · Vendor Advisory
• http://secunia.com/advisories/45382 · Vendor Advisory
• http://ubuntu.com/usn/USN-1179-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10571-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2011-2721 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-2721 · Vendor Advisory
• https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2818 · Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=725694 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2011-2721 · Security Note
• https://osv.dev/vulnerability/CVE-2011-2721 · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068941.html · Vendor Advisory
• http://openwall.com/lists/oss-security/2011/07/26/3 · Patch
• http://openwall.com/lists/oss-security/2011/07/26/13 · Patch
• https://bugzilla.novell.com/show_bug.cgi?id=708263 · Patch