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

Want to join the Secunia Security Team?

Secunia offers a position as a security specialist, where your daily
work involves reverse engineering of software and exploit code,
auditing of source code, and analysis of vulnerability reports.

http://secunia.com/secunia_security_specialist/

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

TITLE:
avast! Unspecified CHM Unpacker Vulnerability

SECUNIA ADVISORY ID:
SA20387

VERIFY ADVISORY:
http://secunia.com/advisories/20387/

CRITICAL:
Moderately critical

IMPACT:
Unknown

WHERE:
>From remote

SOFTWARE:
avast! Antivirus 4.x
http://secunia.com/product/5162/

DESCRIPTION:
A vulnerability with an unknown impact has been reported in avast!
Antivirus.

The vulnerability is caused due to an unspecified error in the CHM
unpacker.

The vulnerability has been reported in version 4.7.827 and prior.

SOLUTION:
Update to version 4.7.844, which temporarily disables the CHM
unpacker.
http://www.avast.com/eng/programs.html

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

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

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.

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