Anolis OS update for podman

1) Security restrictions bypass

EUVDB-ID: #VU62468

Risk: Medium

CVSSv4.0: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2022-1227

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to improper privilege management when running podman top on a container made from a maliciously-crafted image and using a user namespace. An attacker with full access to the container can execute arbitrary code  in the host context.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 7

podman-docker: before 1.6.4-32

podman-tests: before 1.6.4-32

podman-remote: before 1.6.4-32

podman: before 1.6.4-32

CPE2.3

• cpe:2.3:o:openanolis:anolis_os:7:*:*:*:*:*:*:*
• cpe:2.3:a:openanolis:podman-docker:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:podman-tests:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:podman-remote:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:podman:*:*:*:*:*:anolis_os:*:*

External links

https://anas.openanolis.cn/errata/detail/ANSA-2022:0141

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.