#VU7357 Double free in PHP
Published: July 6, 2017
Vulnerability identifier: #VU7357
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: N/A
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PHP
PHP
Software vendor:
PHP Group
PHP Group
Description
The vulnerability allows a remote attacker to execute arbitrary code.
The weakness exists due to double free. A remote attacker can create a node list using the DOMXPath query() or evaluate() functions, remove the nodes from the document by writing to nodeValue of an ancestor, trigger "double free or corruption" and execute arbitrary code with web server privileges.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to double free. A remote attacker can create a node list using the DOMXPath query() or evaluate() functions, remove the nodes from the document by writing to nodeValue of an ancestor, trigger "double free or corruption" and execute arbitrary code with web server privileges.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Update to version 7.0.21.