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Opera Default Application "kfmclient exec" Security Issue
Secunia Advisory: SA13447
Release Date: 2004-12-15
Last Update: 2005-02-21
Popularity: 17,043 views

Critical:
Less critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:Opera 7.x

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CVE reference:CVE-2004-1491


Description:
Giovanni Delvecchio has discovered a security issue in Opera, which can be exploited by malicious people to compromise a user's system.

The problem is that a file with an unknown MIME type by default is handled by "kfmclient exec". This can be exploited to execute shell commands by tricking a user into opening a malicious shortcut/launcher containing an "Exec" entry.

Successful exploitation requires some user interaction.

The issue has been confirmed on Opera 7.54u1 for Linux. Other versions may also be affected.

Note: Opera for Windows is not affected.

Solution:
Update to version 7.54u2.
http://www.opera.com/download/

Provided and/or discovered by:
Giovanni Delvecchio

Changelog:
2005-02-09: Vendor released update. Updated "Solution" section.
2005-02-21: Added CVE reference.

Original Advisory:
http://www.zone-h.org/advisories/read/id=6503


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