#VU17450 Segmentation fault in PHP

Vulnerability identifier: #VU17450

Vulnerability risk: Low

CVSSv4.0: 6.6 [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/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-665

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 executing method with an empty parameter. A remote attacker can cause the service to crash.

Mitigation
Update to version 7.3.2.

Vulnerable software versions

PHP: 7.3.0alpha1 - 7.3.1

---

External links
https://bugs.php.net/bug.php?id=77410

---

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.