#VU203 Integer overflow in ZVAL processing in PHP
Published: July 22, 2016 / Updated: August 13, 2016
Vulnerability identifier: #VU203
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-119
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 on the target system.
The vulnerability exists due to a boundary error when processing string-typed ZVAL. A remote unauthenticated attacker can cause an integer overflow during ZVAL processing.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
The vulnerability exists due to a boundary error when processing string-typed ZVAL. A remote unauthenticated attacker can cause an integer overflow during ZVAL processing.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install the latest versions: (5.5.38, 5.6.24, 7.0.9).