Assertion failure in PHP - #VU13014

 

Assertion failure in PHP - #VU13014

Published: May 25, 2018


Vulnerability identifier: #VU13014
CSH Severity: Low
CVSS v4: 8.7 [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]
CVE-ID: N/A
CWE-ID: CWE-617
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 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.

Affected software

PHP

Remediation

Update to version 7.1.18 or 7.2.6.


External References

Related Security Bulletins