Assertion failure in PHP - #VU13014
Published: May 25, 2018
Vulnerability identifier: #VU13014
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-617
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 cause DoS condition on the target system.
The weakness exists due to the try_catch_array allocation is empty and points at the very end of the script memory. A remote attacker can trigger assertion failure in file cache when unserializing empty try_catch_array and cause the service to crash.
The weakness exists due to the try_catch_array allocation is empty and points at the very end of the script memory. A remote attacker can trigger assertion failure in file cache when unserializing empty try_catch_array and cause the service to crash.
Remediation
Update to version 7.1.18 or 7.2.6.