Arbitrary code execution in PHP - CVE-2016-7417

 

Arbitrary code execution in PHP - CVE-2016-7417

Published: September 19, 2016


Vulnerability identifier: #VU526
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-7417
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote or local user to cause arbitrary code execution on the target system.
The weakness is caused by unserializing SplArray that leads to memory corruption error and allows a malicious user to execute arbitrary code.
Successful explotation of the vulnerability may result in arbitrary code execution on the vulnerable system.

Affected software

PHP
Arch Linux
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power
SUSE Linux
Slackware Linux
Fedora
php (Alpine package)
php

How to mitigate CVE-2016-7417


php (Alpine package) - update to 5.6.27-r0
php - addressed in versions 5.6.26-1.fc23, 5.6.26-1.fc24

External References

Related Security Bulletins