PHP php_sprintf_appendstring() integer overflow
| php-phpsprintfappendstring-overflow (41386) |  High Risk |
Description:
PHP is vulnerable to an integer overflow, caused by improper bounds checking by the php_sprintf_appendstring() function. By sending an overly long string using the npad parameter, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
Platforms Affected:
- Canonical, Ubuntu 6.06 LTS
- Canonical, Ubuntu 7.04
- Canonical, Ubuntu 7.10
- Canonical, Ubuntu 8.04 LTS
- Debian, Debian Linux 4.0
- Gentoo, Linux
- PHP, PHP 5.0.0 Beta1
- PHP, PHP 5.0.0 Beta2
- PHP, PHP 5.0.0 Beta4
- PHP, PHP 5.0.0 RC1
- PHP, PHP 5.0.0 RC2
- PHP, PHP 5.0.0
- PHP, PHP 5.0.0 RC3
- PHP, PHP 5.0.0 Beta3
- PHP, PHP 5.0.1
- PHP, PHP 5.0.2
- PHP, PHP 5.0.3
- PHP, PHP 5.0.4
- PHP, PHP 5.0.5
- PHP, PHP 5.1.0
- PHP, PHP 5.1.1
- PHP, PHP 5.1.2
- PHP, PHP 5.1.3
- PHP, PHP 5.1.4
- PHP, PHP 5.1.5
- PHP, PHP 5.1.6
- PHP, PHP 5.2.0
- PHP, PHP 5.2.1
- PHP, PHP 5.2.2
- PHP, PHP 5.2.3
- PHP, PHP 5.2.4
- PHP, PHP 5.2.5
Remedy:
Apply the fix, available from the PHP CVS Repository. See References.
Consequences:
Gain Access
References:
- BugTraq Mailing List, Fri Mar 21 2008 - 10:58:44 CDT, {securityreason.com}PHP 5 *printf() - Integer Overflow at http://archives.neohapsis.com/archives/bugtraq/2008-03/0321.html.
- PHP CVS Repository, PHP_5_2, Changes since 1.2027.2.547.2.1119 at http://cvs.php.net/viewvc.cgi/php-src/NEWS?revision=1.2027.2.547.2.1120&view=markup.
- BID-28392: PHP 5 'php_sprintf_appendstring()' Remote Integer Overflow Vulnerability
- CVE-2008-1384: Integer overflow in PHP 5.2.5 and earlier allows context-dependent attackers to cause a denial of service and possibly have unspecified other impact via a printf format parameter with a large width specifier, related to the php_sprintf_appendstring function in formatted_print.c and probably other functions for formatted strings (aka *printf functions).
- DSA-1572: php5 -- several vulnerabilities
- GLSA-200811-05: PHP: Multiple vulnerabilities
- SUSE-SR:2008:014: [security-announce] SUSE Security Summary Report SUSE-SR:2008:014
- USN-628-1: PHP vulnerabilities
Reported:
Mar 21, 2008
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved worldwide.
For corrections or additions please email xforce@iss.net