SB20240806351 - Amazon Linux AMI update for device-mapper-multipath

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Improper Authorization (CVE-ID: CVE-2022-3787)

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.

2) UNIX symbolic link following (CVE-ID: CVE-2022-41973)

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

The vulnerability exists due to a symlink following issue. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.

3) Improper Authorization (CVE-ID: CVE-2022-41974)

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

The vulnerability exists due to incorrectly implemented authorization process within multipathd daemon. A local unprivileged user can bypass build-in authorization and execute privileged commands on the system.

Remediation

Install update from vendor's website.

References

• https://alas.aws.amazon.com/AL2023/ALAS-2023-126.html