Vulnerability identifier: #VU13421
Vulnerability risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
PHP
Universal components / Libraries /
Scripting languages
Vendor: PHP Group
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to segmentation fault when opcache enabled. A remote attacker can cause extension to use zend_register_class_alias, trigger segfault and cause the service to crash.
Mitigation
Update to version 7.2.7.
Vulnerable software versions
PHP: 7.2.5
External links
http://bugs.php.net/bug.php?id=76337
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.