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123 Flash Chat Server Username Directory Traversal Vulnerability
Secunia Advisory: SA18455
Release Date: 2006-01-16
Last Update: 2006-08-04
Popularity: 6,368 views

Critical:
Moderately critical
Impact: Security Bypass
Where: From remote
Solution Status: Vendor Patch

Software:123 Flash Chat Server 5.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Jesus Olmos Gonzalez has reported a vulnerability in 123 Flash Chat (123FlashChat) Server, which can be exploited by malicious people to bypass certain security restrictions.

Input passed in the "user" (username) field in the new user registration screen isn't properly santised before being used to create files. This can be exploited to create arbitrary files with privileges of the server process via directory traversal attacks. This potentially allows execution of arbitrary commands by e.g. creating files in the startup folder.

The vulnerability has been reported in version 5.1_1. Prior versions may also be affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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