#VU7359 Heap-based buffer overflow in PHP
Published: July 6, 2017
Vulnerability identifier: #VU7359
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-122
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 heap-based buffer overflow in substr'swhen handling malicious input. A remote attacker can send specially crafted parameter to trigger memory corruption and execute arbitrary code with web server privileges.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to heap-based buffer overflow in substr'swhen handling malicious input. A remote attacker can send specially crafted parameter to trigger memory 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.