SUSE update for php7

1) Buffer overflow

EUVDB-ID: #VU74185

Risk: Low

CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-4900

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The 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.

Mitigation

Update the affected package php7 to the latest version.

Vulnerable software versions

openSUSE Leap: 15.4

php7-firebird-debuginfo: before 7.4.33-150200.3.54.1

php7-firebird: before 7.4.33-150200.3.54.1

CPE2.3

• cpe:2.3:o:suse:opensuse_leap:15.4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:php7-firebird-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:php7-firebird:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20231583-1/

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.