20491 : PHP mod_php apache2handler SAPI Crafted .htaccess DoS
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Info

Last Modified

6 months ago

Percent Complete

100%

Disclosure

Oct 24, 2005

Discovery

Unknown

Dates

Exploit

Oct 24, 2005

Solution

Unknown

Description

The apache2handler SAPI (sapi_apache2.c) in the Apache module (mod_php) contains a flaw that may allow a local denial of service. The issue is triggered when a malicious user places a specially crafted .htaccess file in a root directory while safe mode is active. This will cause a segmentation fault, resulting in loss of availability for the service.

Classification

Location: Local Access Required
Attack Type: Denial of Service
Impact: Loss of Availability
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Upgrade to version 4.4.1 or higher or to version 5.1.0 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

PHP Group
Watch-list
PHP
Watch-list
4.0
4.0.x
4.1.x
4.2.x
4.3.x
4.4.0
5.0.0 candidate 1
5.0.0 candidate 2
5.0.0 candidate 3
5.0.1
5.0.2
5.0.3
5.0.4
5.0.5
5.0

References

Tools & Filters

Nessus

20195 20445 20776

Manual Testing Notes

Credit

  • Eric Romang - eromangBrand New Doo Doozataz.net - ZATAZ Audit

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