Vulnerability identifier: #VU16318

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: N/A

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 segfault when removing part "<soap:header message="tns:requestheader" part="id" use="literal"/>" wsdl SoapClient. A remote attacker can trigger WSDL_CACHE_MEMORY and cause the service to crash.

Mitigation
The vulnerability has been fixed in the versions 7.1.25, 7.2.13.

Vulnerable software versions

PHP: 7.1.0 - 7.1.24, 7.2.0 - 7.2.12

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External links
http://bugs.php.net/bug.php?id=76348

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Q & A

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.