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WU-FTPD "MAIL_ADMIN" Buffer Overflow Vulnerability
Secunia Advisory: SA9835
Release Date: 2003-09-24
Last Update: 2007-05-21
Popularity: 8,363 views

Critical:
Moderately critical
Impact: System access
Where: From remote
Solution Status: Unpatched

Software:WU-FTPD 2.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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

Description:
A vulnerability has been reported in WU-FTPD, which potentially can be exploited by malicious users to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the "SockPrintf()" function. This can be exploited by uploading a file with an overly long, specially crafted name, which causes a buffer overflow when the program tries to inform the administrator that a file has been uploaded anonymously.

Successful exploitation may allow execution of arbitrary code on the system. However, it requires that the option "MAIL_ADMIN" has been enabled (not default), that anonymous users have write permissions on a folder, and that the program has been compiled on a system where very long paths are permitted.

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



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