CVE-2007-4661
HIGH
7.5
CVSS 2.0
Description
The chunk_split function in string.c in PHP 5.2.3 does not properly calculate the needed buffer size due to precision loss when performing integer arithmetic with floating point numbers, which has unknown attack vectors and impact, possibly resulting in a heap-based buffer overflow. NOTE: this is due to an incomplete fix for CVE-2007-2872.
Affected products and versions
- PHP versions 5.2.3
References
- cvs.php.net http://cvs.php.net/viewvc.cgi/php-src/ext/standard/string.c?r1=1.445.2.14.2.58&r2=1.445.2.14.2.59 Exploit
- lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
- secunia.com http://secunia.com/advisories/26642 Patch
- secunia.com http://secunia.com/advisories/26838
- secunia.com http://secunia.com/advisories/27102
- secunia.com http://secunia.com/advisories/27864
- secunia.com http://secunia.com/advisories/28658
- www.gentoo.org http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
- www.php.net http://www.php.net/ChangeLog-5.php#5.2.4
- www.php.net http://www.php.net/releases/5_2_4.php Patch
- www.ubuntu.com http://www.ubuntu.com/usn/usn-549-2
- issues.rpath.com https://issues.rpath.com/browse/RPL-1702
- launchpad.net https://launchpad.net/bugs/173043
- usn.ubuntu.com https://usn.ubuntu.com/549-1/
- nvd.nist.gov Official NVD record