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Secunia Network Software Inspector 2.0 (NSI) - Public Beta

The Public Beta has ended. Thanks to all that participated.

Learn more:
http://secunia.com/network_software_inspector_2/

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TITLE:
FireFTP Extension for Firefox Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA30284

VERIFY ADVISORY:
http://secunia.com/advisories/30284/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
FireFTP 0.x (extension for Firefox)
http://secunia.com/product/18707/

DESCRIPTION:
Tan Chew Keong has reported a vulnerability in the FireFTP extension
for Firefox, which can be exploited by malicious people to compromise
a user's system.

The vulnerability is caused due to an input validation error when
processing responses to the "MLSD" and "LIST" commands from an FTP
server. This can be exploited to write files to arbitrary locations
on a user's system when a user is enticed e.g. to download a
directory containing files with directory traversal sequences in the
filename from a malicious FTP server.

The vulnerability is reported in version 0.97.1. Other versions may
also be affected.

SOLUTION:
Fixed in development version 0.98.20080518.

PROVIDED AND/OR DISCOVERED BY:
Tan Chew Keong

ORIGINAL ADVISORY:
http://vuln.sg/fireftp0971-en.html

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About:
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