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Last updated: 10/26/2014 3:00:37 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-0911

Original release date: 02/13/2007
Last revised: 11/15/2008
Source: US-CERT/NIST

Overview

Off-by-one error in the str_ireplace function in PHP 5.2.1 might allow context-dependent attackers to cause a denial of service (crash).

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.8 (HIGH) (AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (02/16/2007)
Not vulnerable. This flaw is a regression of the fix for CVE-2007-0906 affecting PHP version 5.2.1 only which results in any use of str_replace() causing a crash regardless of user input. These issues did not affect the versions of PHP as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.

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External Source: OSVDB
Name: 33952
External Source: SUSE
Name: SUSE-SA:2007:020
External Source: SECUNIA
Name: 24514
External Source: GENTOO
Name: GLSA-200703-21
External Source: MLIST
Name: [php-dev] 20070210 Re: PHP 5.2.1 crashing Apache/IIS...
External Source: BUGTRAQ
Name: 20070209 PHP 5.2.1 crash bug
External Source: SECUNIA
Name: 24606
External Source: MISC
Name: http://cvs.php.net/viewvc.cgi/php-src/ext/standard/string.c?r1=1.445.2.14.2.36&r2=1.445.2.14.2.37
External Source: MLIST
Name: [php-dev] 20070209 PHP 5.2.1 crashing Apache/IIS...
External Source: BID
Name: 22505

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