Vulnerability identifier: #VU17441
Vulnerability risk: Low
CVSSv4.0: 7.7 [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:P/U:Clear]
CVE-ID:
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 a flaw when two RecursiveFilterIterator are added to RecursiveDirectoryIterator. A remote attacker can trigger segmentation fault and 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=77263
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. However, proof of concept for this vulnerability is available.