Vulnerability identifier: #VU12900
Vulnerability risk: High
Exploitation vector: Network
Exploit availability: Yes
Vendor: PHP Group
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to resizing the 'properties' hash table of a serialized object during the unserialization process. A remote attacker can trigger use-after-free error and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Install update from vendor's website.
Vulnerable software versions
PHP: 7.0.0 - 7.0.30, 7.1.0 - 7.1.17, 7.2.0 - 7.2.5
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?