Amazon Linux AMI update for snakeyaml

Published: 2025-02-19

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-38752 CVE-2022-41854
CWE-ID	CWE-121 CWE-787
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Amazon Linux AMI Operating systems & Components / Operating system snakeyaml Operating systems & Components / Operating system package or component
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Stack-based buffer overflow

EUVDB-ID: #VU67664

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-38752

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when handling YAML files. A remote attacker can pass a specially crafted YAML file to the application, trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

noarch:
    snakeyaml-1.27-6.amzn2023.0.3.noarch
    snakeyaml-javadoc-1.27-6.amzn2023.0.3.noarch

src:
    snakeyaml-1.27-6.amzn2023.0.3.src

Vulnerable software versions

Amazon Linux AMI: All versions

snakeyaml: before 1.27-6

CPE2.3

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-375.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds write

EUVDB-ID: #VU70524