Amazon Linux AMI update for device-mapper-multipath

Published: 2024-08-06

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-41974 CVE-2022-41973
CWE-ID	CWE-285 CWE-61
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	Amazon Linux AMI Operating systems & Components / Operating system device-mapper-multipath Operating systems & Components / Operating system package or component
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authorization

EUVDB-ID: #VU68722

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-2022-41974

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. A local unprivileged user can bypass build-in authorization and execute privileged commands on the system.

Mitigation

Update the affected packages:

aarch64:
    kpartx-debuginfo-0.8.7-16.amzn2023.0.2.aarch64
    device-mapper-multipath-devel-0.8.7-16.amzn2023.0.2.aarch64
    kpartx-0.8.7-16.amzn2023.0.2.aarch64
    libdmmp-devel-0.8.7-16.amzn2023.0.2.aarch64
    device-mapper-multipath-libs-debuginfo-0.8.7-16.amzn2023.0.2.aarch64
    libdmmp-0.8.7-16.amzn2023.0.2.aarch64
    libdmmp-debuginfo-0.8.7-16.amzn2023.0.2.aarch64
    device-mapper-multipath-debuginfo-0.8.7-16.amzn2023.0.2.aarch64
    device-mapper-multipath-0.8.7-16.amzn2023.0.2.aarch64
    device-mapper-multipath-libs-0.8.7-16.amzn2023.0.2.aarch64
    device-mapper-multipath-debugsource-0.8.7-16.amzn2023.0.2.aarch64

src:
    device-mapper-multipath-0.8.7-16.amzn2023.0.2.src

x86_64:
    kpartx-debuginfo-0.8.7-16.amzn2023.0.2.x86_64
    device-mapper-multipath-debuginfo-0.8.7-16.amzn2023.0.2.x86_64
    device-mapper-multipath-0.8.7-16.amzn2023.0.2.x86_64
    device-mapper-multipath-libs-debuginfo-0.8.7-16.amzn2023.0.2.x86_64
    libdmmp-debuginfo-0.8.7-16.amzn2023.0.2.x86_64
    device-mapper-multipath-libs-0.8.7-16.amzn2023.0.2.x86_64
    device-mapper-multipath-devel-0.8.7-16.amzn2023.0.2.x86_64
    device-mapper-multipath-debugsource-0.8.7-16.amzn2023.0.2.x86_64
    kpartx-0.8.7-16.amzn2023.0.2.x86_64
    libdmmp-0.8.7-16.amzn2023.0.2.x86_64
    libdmmp-devel-0.8.7-16.amzn2023.0.2.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

device-mapper-multipath: before 0.8.7-16

CPE2.3

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-141.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.

2) UNIX symbolic link following

EUVDB-ID: #VU68723