ClamAV < 0.94.1 get_unicode_name() Off-by-One Buffer Overflow

This script is Copyright (C) 2008-2016 Tenable Network Security, Inc.

Synopsis :

The remote antivirus service is affected by a buffer overflow

Description :

According to its version, the clamd antivirus daemon on the remote
host is earlier than 0.94.1. Such versions have an off-by-one heap
overflow vulnerability in the code responsible for parsing VBA project
files, specifically in the 'get_unicode_name()' function of
'libclamav/vba_extract.c', when a specific 'name' buffer is passed to

Using a specially crafted VBA project file embedded in an OLE2 Office
document, a remote attacker can trigger this vulnerability and execute
arbitrary code on the remote host with the privileges of the 'clamd'

See also :

Solution :

Upgrade to ClamAV 0.94.1 or later.

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.5
Public Exploit Available : false

Family: Gain a shell remotely

Nessus Plugin ID: 34729 (clamav_0_94_1.nasl)

Bugtraq ID: 32207

CVE ID: CVE-2008-5050

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