Vulnerability identifier: #VU88483
Vulnerability risk: Low
CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-254
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 bypass implemented security restrictions.
The vulnerability exists due to the way PHP handles HTTP variable names. A remote attacker can set a standard insecure cookie in the victim's browser which is treated as a `__Host-` or `__Secure-` cookie by PHP applications.
Note, the vulnerability exists due to incomplete fix for #VU67756 (CVE-2022-31629).
Mitigation
Install updates from vendor's website.
Vulnerable software versions
PHP: 8.3.0 - 8.3.4, 8.2.0 - 8.2.17, 8.1.0 - 8.1.27, 8.0.0 - 8.0.30, 7.4 - 7.4.33
External links
http://www.php.net/ChangeLog-8.php
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.