Vulnerability Description
The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP before 7.0.12 does not verify that a key is an object, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access) via crafted serialized data.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | >= 7.0.0, < 7.0.11 |
| Netapp | Clustered Data Ontap | - |
Related Weaknesses (CWE)
References
- http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulneThird Party AdvisoryVDB Entry
- http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdfExploitTechnical DescriptionThird Party Advisory
- http://php.net/ChangeLog-7.phpRelease NotesVendor Advisory
- http://www.securityfocus.com/bid/95152Third Party AdvisoryVDB Entry
- https://bugs.php.net/bug.php?id=73257Issue TrackingPatchVendor Advisory
- https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4PatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20180112-0001/Third Party Advisory
- https://www.youtube.com/watch?v=LDcaPstAuPkBroken LinkThird Party Advisory
- http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulneThird Party AdvisoryVDB Entry
- http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdfExploitTechnical DescriptionThird Party Advisory
- http://php.net/ChangeLog-7.phpRelease NotesVendor Advisory
- http://www.securityfocus.com/bid/95152Third Party AdvisoryVDB Entry
- https://bugs.php.net/bug.php?id=73257Issue TrackingPatchVendor Advisory
- https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4PatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20180112-0001/Third Party Advisory
FAQ
What is CVE-2016-7480?
CVE-2016-7480 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP before 7.0.12 does not verify that a key is an object, which allows remote attackers to execute arbitrary code or cause...
How severe is CVE-2016-7480?
CVE-2016-7480 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-2016-7480?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Netapp Clustered Data Ontap.