TITLE:
McAfee VirusScan DUNZIP32.dll Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA19451

VERIFY ADVISORY:
http://secunia.com/advisories/19451/

CRITICAL:
Less critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
McAfee VirusScan 10.x
http://secunia.com/product/9052/
McAfee SecurityCenter 6.x
http://secunia.com/product/6437/

DESCRIPTION:
A vulnerability has been discovered in McAfee VirusScan, which
potentially can be exploited by malicious people to compromise a
user's system.

The vulnerability is caused due to a boundary error in a 3rd-party
compression library (DUNZIP32.dll) when processing virus definition
files. This can be exploited to cause a buffer overflow via a
specially crafted definition file.

The vulnerability is related to:
SA12869

Successful exploitation requires that the user is e.g. tricked into
updating the virus definition file from a malicious site.

The vulnerability has been reported in McAfee VirusScan version
10.0.21 included with McAfee SecurityCenter Agent version 6.0.0.16.
Prior versions may also be affected.

SOLUTION:
Update to the fixed version of DUNZUIP32.dll via online update.

PROVIDED AND/OR DISCOVERED BY:
Originally discovered by eEye Digital Security and NGSSoftware in
RealPlayer and RealOne.

Reported in McAfee VirusScan by:
Juha-Matti Laurio

ORIGINAL ADVISORY:
http://www.networksecurity.fi/advisories/mcafee-virusscan.html

OTHER REFERENCES:
SA12869:
http://secunia.com/advisories/12869/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

Unsubscribe: Secunia Security Advisories
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

----------------------------------------------------------------------