Vulnerability identifier: #VU12909
Vulnerability risk: Low
Exploitation vector: Network
Exploit availability: No
Vendor: PHP Group
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the php_wddx_pop_element function in ext/wddx/wddx.c due to NULL pointer dereference. A remote attacker can submit an inapplicable class name in a wddxPacket XML document, leading to mishandling in a wddx_deserialize call, and cause the service to crash.
Update to version 7.0.15 or 7.1.1.
Vulnerable software versions
PHP: 7.0.0 - 7.0.14, 7.1.0
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?