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SurgeFTP "Content-Length" Denial of Service Vulnerability
Secunia Advisory: SA29096
Release Date: 2008-02-26
Last Update: 2008-02-29
Popularity: 3,519 views

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Unpatched

Software:SurgeFTP 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:
Luigi Auriemma has discovered a vulnerability in SurgeFTP, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a NULL pointer dereference error when parsing HTTP headers. This can be exploited to crash an affected server via an overly large "Content-Length" HTTP header sent to the administration web server (by default port 7021/TCP).

The vulnerability is confirmed in version 2.3a1. Other versions may also be affected.

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



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