Fedora 34 update for perl-CPAN



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-16156
CWE-ID CWE-347
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Fedora
Operating systems & Components / Operating system

perl-CPAN
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU68606

Risk: High

CVSSv4.0: 7.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2020-16156

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect processing of signed code. A remote attacker trick the victim into downloading a malicious file, bypass signature verification procedure and compromise the affected system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 34

perl-CPAN: before 2.29-1.fc34

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2022-84fd87f7eb


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. However, proof of concept for this vulnerability is available.



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