Integer overflow in PHP - #VU13918
Published: July 19, 2018 / Updated: July 20, 2018
Vulnerability identifier: #VU13918
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: N/A
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to Integer overflow when mb_strimwidth returns an empty string for $width > 2147483647. A remote attacker can trigger resource exhaustion in mb_strimwidthc and cause the service to crash.
The weakness exists due to Integer overflow when mb_strimwidth returns an empty string for $width > 2147483647. A remote attacker can trigger resource exhaustion in mb_strimwidthc and cause the service to crash.
Affected software
PHP
Remediation
The vulnerability is addressed in the versions 7.1.20, 7.2.8.
PHP - addressed in versions 7.1.20, 7.2.8