Vulnerability identifier: #VU17442
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:
CWE-ID:
CWE-119
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 boundary error in the function zend_cpu_supports_avx2(). A remote attacker can trigger memory corruption that may cause segfault and lead to denial of service.
Mitigation
Update to version 7.3.2.
Vulnerable software versions
PHP: 7.3.0 - 7.3.1
External links
http://bugs.php.net/bug.php?id=77447
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.