#VU523 Arbitrary code execution in PHP - CVE-2016-7416

Vulnerability identifier: #VU523

Vulnerability risk: High

CVSSv4.0: 5.9 [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/E:U/U:Amber]

CVE-ID: CVE-2016-7416

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description
The vulnerability allows a remote or local user to cause arbitrary code execution on the target system.
The weakness is caused by memory corruption in local data handling that allows a malicious user to get access to the system and cause arbitrary code execution.
Successful explotation of the vulnerability may result in arbitrary code execution on the vulnerable system.

Mitigation
Update to 5.6.26.
http://php.net/ChangeLog-5.php#5.6.26
Update to 7.0.11.
http://php.net/ChangeLog-7.php#7.0.11

Vulnerable software versions

PHP: 5.6.26, 7.0.11

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.