[SA19454] Total Commander unacev2.dll Buffer Overflow Vulnerability

TITLE:
Total Commander unacev2.dll Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA19454

VERIFY ADVISORY:
http://secunia.com/advisories/19454/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Total Commander 6.x
http://secunia.com/product/3312/

DESCRIPTION:
A vulnerability has been reported in Total Commander, which can be
exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in UNACEV2.DLL
when extracting an ACE archive containing a file with an overly long
filename. This can be exploited to cause a stack-based buffer
overflow when a user extracts a specially crafted ACE archive.

The vulnerability is related to:
SA16479

The vulnerability has confirmed in version 6.53. Prior versions may
also be affected.

SOLUTION:
Update to version 6.54 or later.
http://www.ghisler.com/download.htm

PROVIDED AND/OR DISCOVERED BY:
Originally reported by Secunia Research in ALZip.

Reported in Total Commander by vendor.

OTHER REFERENCES:
SA16479:
http://secunia.com/advisories/16479/

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