FreeBSD : clamav -- possible heap overflow in the UPX code (612a34ec-81dc-11da-a043-0002a5c3d308)

This script is Copyright (C) 2006-2013 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing one or more security-related
updates.

Description :

The Zero Day Initiative reports :

This vulnerability allows remote attackers to execute arbitrary code
on vulnerable Clam AntiVirus installations. Authentication is not
required to exploit this vulnerability.

This specific flaw exists within libclamav/upx.c during the unpacking
of executable files compressed with UPX. Due to an invalid size
calculation during a data copy from the user-controlled file to heap
allocated memory, an exploitable memory corruption condition is
created.

See also :

http://lurker.clamav.net/message/20060109.213247.a16ae8db.en.html
http://www.zerodayinitiative.com/advisories/ZDI-06-001.html
http://www.nessus.org/u?eac9f101

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.5
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 21439 (freebsd_pkg_612a34ec81dc11daa0430002a5c3d308.nasl)

Bugtraq ID: 16191

CVE ID: CVE-2006-0162

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