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.

Remediation

References

CVE-2016-7480

Related Vulnerabilities

MODX Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2010-5278)

WordPress 5.1.x Multiple Vulnerabilities (5.1 - 5.1.4)

Jboss EAP Deserialization of Untrusted Data Vulnerability (CVE-2017-15095)

Oracle Database Server Other Vulnerability (CVE-2006-1884)

Oracle HTTP Server Improper Restriction of XML External Entity Reference Vulnerability (CVE-2018-20843)

Severity

Critical

Classification

CVE-2016-7480 CWE-119 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities