Segmentation fault in PHP - #VU13917

 

Segmentation fault in PHP - #VU13917

Published: July 19, 2018 / Updated: July 20, 2018


Vulnerability identifier: #VU13917
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: PHP Group
Affected software:
PHP

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to integer underflow when unserializing a specially crafted malformed GMP. A remote attacker can segmentation fault and cause the service to crash.

Remediation

The vulnerability is addressed in the versions 7.1.20, 7.2.8.

Sources