Amazon Linux AMI update for containerd

1) Improper Privilege Management

EUVDB-ID: #VU72320

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-2023-25173

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management where supplementary groups are not set up properly inside a container. A local user can use supplementary group access to bypass primary group restrictions and compromise the container.

Mitigation

Update the affected packages:

aarch64:
    containerd-stress-debuginfo-1.7.2-1.amzn2023.0.1.aarch64
    containerd-debuginfo-1.7.2-1.amzn2023.0.1.aarch64
    containerd-stress-1.7.2-1.amzn2023.0.1.aarch64
    containerd-1.7.2-1.amzn2023.0.1.aarch64
    containerd-debugsource-1.7.2-1.amzn2023.0.1.aarch64

src:
    containerd-1.7.2-1.amzn2023.0.1.src

x86_64:
    containerd-stress-debuginfo-1.7.2-1.amzn2023.0.1.x86_64
    containerd-debuginfo-1.7.2-1.amzn2023.0.1.x86_64
    containerd-1.7.2-1.amzn2023.0.1.x86_64
    containerd-stress-1.7.2-1.amzn2023.0.1.x86_64
    containerd-debugsource-1.7.2-1.amzn2023.0.1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

containerd: All versions

CPE2.3

• cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*
• cpe:2.3:a:amazon_web_services:containerd:*:*:*:*:*:amazon_linux_ami:*:*

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-374.html

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.