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Apache mod_proxy "date" Denial of Service Vulnerability
Secunia Advisory: SA26636
Release Date: 2007-08-30
Last Update: 2007-09-10
Popularity: 16,962 views

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

Software:Apache 2.0.x
Apache 2.2.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 the Apache mod_proxy module, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to the improper handling of date headers within the "ap_proxy_date_canon()" function in proxy_util.c. This can be exploited to cause a DoS by sending specially crafted requests to the affected server.

Successful exploitation results in a crash if a threaded Multi-Processing Module is used on servers where a reverse or forward proxy is configured.

The vulnerability is reported in Apache 2.0.x versions 2.0.59 and prior, and Apache 2.2.x versions 2.2.4 and prior.

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



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