Amazon Linux AMI update for amazon-cloudwatch-agent



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-29409
CWE-ID CWE-295
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

amazon-cloudwatch-agent
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Certificate Validation

EUVDB-ID: #VU78913

Risk: Medium

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

CVE-ID: CVE-2023-29409

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to verifying certificate chains containing large RSA keys is slow. A remote attacker can cause a client/server to expend significant CPU time verifying signatures.

Mitigation

Update the affected packages:

aarch64:
    amazon-cloudwatch-agent-1.300026.2-1.amzn2023.aarch64

src:
    amazon-cloudwatch-agent-1.300026.2-1.amzn2023.src

x86_64:
    amazon-cloudwatch-agent-1.300026.2-1.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

amazon-cloudwatch-agent: before 1.300026.2-1

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-307.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.



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