TITLE:
ExtractNow unacev2.dll Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA19581

VERIFY ADVISORY:
http://secunia.com/advisories/19581/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
ExtractNow 3.x
http://secunia.com/product/9263/

DESCRIPTION:
Secunia Research has discovered a vulnerability in ExtractNow, 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 been confirmed in version 3.60. Other versions
may also be affected.

SOLUTION:
No fix is available for version 3.x. However, the rewritten version
4.x is not affected. Users can therefore upgrade to version 4.15 or
later.

PROVIDED AND/OR DISCOVERED BY:
Secunia Research

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

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

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

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