CVE-2016-7480
CRITICAL
9.8
CVSS 3.1
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.
Affected products and versions
- PHP — From 7.0.0 (including) to 7.0.11 (excluding)
References
- blog.checkpoint.com http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7 Third Party Advisory, VDB Entry
- blog.checkpoint.com http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf Exploit, Technical Description, Third Party Advisory
- php.net http://php.net/ChangeLog-7.php Release Notes, Vendor Advisory
- www.securityfocus.com http://www.securityfocus.com/bid/95152 Third Party Advisory, VDB Entry
- bugs.php.net https://bugs.php.net/bug.php?id=73257 Issue Tracking, Patch, Vendor Advisory
- github.com https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4 Patch, Third Party Advisory
- security.netapp.com https://security.netapp.com/advisory/ntap-20180112-0001/ Third Party Advisory
- www.youtube.com https://www.youtube.com/watch?v=LDcaPstAuPk Broken Link, Third Party Advisory
- nvd.nist.gov Official NVD record