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List:       secunia-sec-adv
Subject:    [SA19816] WinISO ISO File Extraction Directory Traversal Vulnerability
From:       Secunia Security Advisories <sec-adv () secunia ! com>
Date:       2006-04-28 11:02:04
Message-ID: 20060428110204.30337.qmail () secunia ! com
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TITLE:
WinISO ISO File Extraction Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA19816

VERIFY ADVISORY:
http://secunia.com/advisories/19816/

CRITICAL:
Less critical

IMPACT:
System access

WHERE:
From remote

SOFTWARE:
WinISO 5.x
http://secunia.com/product/6315/

DESCRIPTION:
Sowhat has discovered a vulnerability in WinISO, which potentially
can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an input validation error when
extracting files from an ISO image. This makes it possible to have
files extracted to arbitrary locations outside the specified
directory using the "../" directory traversal sequence.

The vulnerability has been confirmed in version 5.3. Other versions
may also be affected.

SOLUTION:
Do not extract untrusted ISO files.

To reduce the risk, never extract files as an administrative user.

PROVIDED AND/OR DISCOVERED BY:
Sowhat

ORIGINAL ADVISORY:
http://secway.org/advisory/AD20060428.txt

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


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