#VU12902 NULL pointer dereference


Published: 2018-05-21

Vulnerability identifier: #VU12902

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2016-9934

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

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

The weakness exists in ext/wddx/wddx.c due to NULL pointer dereference. A remote attacker can submit crafted serialized data in a wddxPacket XML document, as demonstrated by a PDORow string, and cause the service to crash.

Mitigation
Update to version 5.6.28 or 7.0.13.

Vulnerable software versions

PHP: 5.6.0 - 5.6.27, 7.0.0 - 7.0.12


CPE

External links
http://www.php.net/ChangeLog-5.php
http://www.php.net/ChangeLog-7.php


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


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