Detections
Analytics

ClamAV < 0.93.1 memcpy() .chm File Handling DoS (deprecated)

high Nessus Network Monitor Plugin ID 4642

Synopsis

The remote host is vulnerable to a Denial of Service (DoS) attack.

Description

The remote host is running ClamAV client.

This version of ClamAV is vulnerable to a flaw within the 'libclamav/chmunpack.c' file. Specifically, when handling malformed '.chm' files, the application fails to adequately parse the file. An attacker sending a malformed .chm file to a server running ClamAV would be able to crash the service.

Solution

Upgrade to version 0.93.1 or higher.

See Also

http://www.clamav.org/2008/06/09/clamav-0931

Plugin Details

Severity: High

ID: 4642

Family: Web Clients

Published: 9/4/2008

Updated: 3/6/2019

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Reference Information

CVE: CVE-2008-1389, CVE-2008-3912, CVE-2008-3913, CVE-2008-3914

BID: 30994, 31051