Anolis OS update for device-mapper-multipath

1) Improper Authorization

EUVDB-ID: #VU69288

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-3787

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrectly implemented authorization process within multipathd daemon caused by insufficient patch for #VU68722 (CVE-2022-41974). A local unprivileged user can bypass build-in authorization and execute privileged commands on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

libdmmp: before 0.8.4-28.0.1

kpartx: before 0.8.4-28.0.1

device-mapper-multipath-libs: before 0.8.4-28.0.1

device-mapper-multipath-devel: before 0.8.4-28.0.1

device-mapper-multipath: before 0.8.4-28.0.1

CPE2.3

• cpe:2.3:o:openanolis:anolis_os:8:*:*:*:*:*:*:*
• cpe:2.3:a:openanolis:libdmmp:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:kpartx:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:device-mapper-multipath-libs:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:device-mapper-multipath-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:device-mapper-multipath:*:*:*:*:*:anolis_os:*:*

External links

https://anas.openanolis.cn/errata/detail/ANSA-2022:0808

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.