NULL pointer dereference in PHP - CVE-2016-10162

 

NULL pointer dereference in PHP - CVE-2016-10162

Published: May 21, 2018


Vulnerability identifier: #VU12909
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-10162
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the php_wddx_pop_element function in ext/wddx/wddx.c due to NULL pointer dereference. A remote attacker can submit an inapplicable class name in a wddxPacket XML document, leading to mishandling in a wddx_deserialize call, and cause the service to crash.

Affected software

PHP
Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power

How to mitigate CVE-2016-10162

Update to version 7.0.15 or 7.1.1.


External References

Related Security Bulletins