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Apache Two Denial of Service Vulnerabilities
Secunia Advisory: SA36549
Release Date: 2009-09-03
Last Update: 2009-10-06
Popularity: 2,559 views

Critical:
Less critical
Impact: DoS
Where: From remote
Solution Status: Partial Fix

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:
Two vulnerabilities have been reported in Apache, which can be exploited by malicious people to cause a DoS (Denial of Service).

1) An error exists in mod_proxy_ftp when processing responses received from FTP servers. This can be exploited to trigger a NULL-pointer dereference and crash an Apache child process via a malformed EPSV response.

Successful exploitation requires that a threaded Multi-Processing Module is used and that the mod_proxy_ftp module is enabled.

The vulnerability is confirmed in Apache versions 2.0.63 and 2.2.13. Other versions may also be affected.

2) An error in the included APR-util library can be exploited to trigger hangs in the prefork and event MPMs on Solaris.

For more information see vulnerability #2 in:
SA36138

The vulnerability is reported in 2.2.x versions prior to 2.2.14.

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



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