PHP dechunk Filter Signed Comparison Error Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1023937 |
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SecurityTracker URL: http://securitytracker.com/id/1023937
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: May 3 2010
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Impact:
Denial of service via network
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Exploit Included: Yes
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Version(s): 5.3 - 5.3.2
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Description:
A vulnerability was reported in PHP. A remote user can cause denial of service conditions.
A remote user can send a specially crafted HTTP stream to trigger an integer overflow in the chunk size decoder in the dechunk filter, resulting in a crash.
In a multithreaded webserver environment, memory corruption with code execution may be possible.
Stefan Esser reported this vulnerability.
The original advisory is available at:
http://php-security.org/2010/05/02/mops-2010-003-php-dechunk-filter-signed-comparison-vulnerability/index.html
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Impact:
A remote user can cause the target PHP service to crash.
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Solution:
No solution was available at the time of this entry.
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Vendor URL: www.php.net/ (Links to External Site)
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Cause:
Access control error
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Underlying OS:
Linux (Any), UNIX (Any), Windows (Any)
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Message History:
None.
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Source Message Contents
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Date: Mon, 03 May 2010 18:56:12 +0000
Subject: PHP
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http://php-security.org/2010/05/02/mops-2010-003-php-dechunk-filter-signed-comparison-vulnerability/index.html
MOPS-2010-003: PHP dechunk Filter Signed Comparison Vulnerability
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