Amazon Linux AMI update for perl-CPAN



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-31484
CWE-ID CWE-295
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

perl-CPAN
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: #VU75604

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-31484

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to missing verification of the TLS certificate when downloading distributions. A remote attacker can perform MitM attack and trick the application into downloading a malicious file.

Mitigation

Update the affected packages:

noarch:
    perl-CPAN-2.34-1.amzn2023.0.3.noarch
    perl-CPAN-tests-2.34-1.amzn2023.0.3.noarch

src:
    perl-CPAN-2.34-1.amzn2023.0.3.src

Vulnerable software versions

Amazon Linux AMI: All versions

perl-CPAN: before 2.34-1

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-182.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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