ClamAV < 0.97.2 DoS

Medium Nessus Network Monitor Plugin ID 5994

Synopsis

The remote host is running an anti-virus application that is vulnerable to a denial of service attack.

Description

Versions of ClamAV earlier than 0.97.2 are potentially affected by a denial of service vulnerability. An off-by-one error exists in the 'cli_hm_scan' function in the file 'libclamav/matcher-hash.c' that can be exploited by a specially crafted message causing the clamd daemon to crash.

Solution

Upgrade to ClamAV 0.97.2 or later.

See Also

http://blog.clamav.net/2011/07/clamav-0972-is-now-available.html

https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2818

Plugin Details

Severity: Medium

ID: 5994

File Name: 5994.prm

Family: Web Clients

Published: 2011/07/27

Modified: 2016/11/16

Dependencies: 9794

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

CVSSv3

Base Score: 5.3

Temporal Score: 4.9

Vector: CVSS3#AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS3#E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:clamav

Patch Publication Date: 2011/07/25

Vulnerability Publication Date: 2011/07/26

Reference Information

BID: 48891