Vulnerability Description
Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a long first argument to the PHP xmlrpc_encode_request function.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | <= 5.5.37 |
Related Weaknesses (CWE)
References
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=e6c48213c22ed50b2b987b479fcc1ac
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- http://openwall.com/lists/oss-security/2016/07/24/2Mailing List
- http://php.net/ChangeLog-5.phpRelease Notes
- http://php.net/ChangeLog-7.phpRelease Notes
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3631
- http://www.securityfocus.com/bid/92095Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036430
- http://www.ubuntu.com/usn/USN-3059-1
- https://bugs.php.net/72606ExploitIssue Tracking
- https://lists.debian.org/debian-lts-announce/2019/11/msg00029.html
- https://security.gentoo.org/glsa/201611-22
- https://support.apple.com/HT207170
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=e6c48213c22ed50b2b987b479fcc1ac
FAQ
What is CVE-2016-6296?
CVE-2016-6296 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9, allows remote attack...
How severe is CVE-2016-6296?
CVE-2016-6296 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2016-6296?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.