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TITLE:
ZipCentral ZIP File Handling Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA20179

VERIFY ADVISORY:
http://secunia.com/advisories/20179/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
ZipCentral 4.x
http://secunia.com/product/9233/

DESCRIPTION:
Secunia Research has discovered a vulnerability in ZipCentral, which
can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error within the
handling of filenames in a ZIP archive. This can be exploited to
cause a stack-based buffer overflow when a malicious ZIP archive
containing a file with an overly long filename is extracted.

Successful exploitation allows arbitrary code execution.

The vulnerability has been confirmed in version 4.01. Other versions
may also be affected.

SOLUTION:
Do not extract ZIP files from untrusted sources.

PROVIDED AND/OR DISCOVERED BY:
Tan Chew Keong, Secunia Research.

ORIGINAL ADVISORY:
Secunia Research:
http://secunia.com/secunia_research/2006-35/

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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.

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