Vulnerability Description
Integer overflow in the xml_utf8_decode function in ext/xml/xml.c in PHP before 5.2.11 makes it easier for remote attackers to bypass cross-site scripting (XSS) and SQL injection protection mechanisms via a crafted string that uses overlong UTF-8 encoding, a different vulnerability than CVE-2010-3870.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | <= 5.2.10 |
Related Weaknesses (CWE)
References
- http://bugs.php.net/bug.php?id=49687Exploit
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052836.ht
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052845.ht
- http://secunia.com/advisories/42410
- http://secunia.com/advisories/42812
- http://sirdarckcat.blogspot.com/2009/10/couple-of-unicode-issues-on-php-and.htmlExploit
- http://www.blackhat.com/presentations/bh-usa-09/VELANAVA/BHUSA09-VelaNava-FavoriExploit
- http://www.redhat.com/support/errata/RHSA-2010-0919.html
- http://www.redhat.com/support/errata/RHSA-2011-0195.html
- http://www.securityfocus.com/bid/44889
- http://www.ubuntu.com/usn/USN-1042-1
- http://www.vupen.com/english/advisories/2010/3081
- http://www.vupen.com/english/advisories/2011/0020
- http://www.vupen.com/english/advisories/2011/0021
- http://www.vupen.com/english/advisories/2011/0077
FAQ
What is CVE-2009-5016?
CVE-2009-5016 is a vulnerability with a CVSS score of 6.8 (MEDIUM). Integer overflow in the xml_utf8_decode function in ext/xml/xml.c in PHP before 5.2.11 makes it easier for remote attackers to bypass cross-site scripting (XSS) and SQL injection protection mechanisms...
How severe is CVE-2009-5016?
CVE-2009-5016 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-5016?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.