Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-4900 |
CWE-ID | CWE-119 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
PHP Universal components / Libraries / Scripting languages |
Vendor | PHP Group |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU74185
Risk: Low
CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-4900
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the php_cli_server_startup_workers() function in sapi/cli/php_cli_server.c when processing PHP_CLI_SERVER_WORKERS environment variable. A local user can trigger memory corruption and execute arbitrary code on the target system.
Install updates from vendor's website.
Vulnerable software versionsPHP: 5.0 - 8.1.8
External linkshttp://bugzilla.redhat.com/show_bug.cgi?id=2179880
http://github.com/php/php-src/commit/789a37f14405e2d1a05a76c9fb4ed2d49d4580d5
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.