Heap-based buffer overflow in PHP - #VU7359
Published: July 6, 2017
Vulnerability identifier: #VU7359
CSH Severity: High
CVSS v4.0: 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
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability 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.