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CVE
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CVE-2020-16156Date: (C)2021-12-14   (M)2024-02-06


CPAN 2.28 allows Signature Verification Bypass.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.8CVSS Score : 6.8
Exploit Score: 1.8Exploit Score: 8.6
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
FEDORA-2022-21e8372c42
FEDORA-2022-84fd87f7eb
http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.html
https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/
https://metacpan.org/pod/distribution/CPAN/scripts/cpan

CWE    1
CWE-347
OVAL    6
oval:org.secpod.oval:def:86516
oval:org.secpod.oval:def:121410
oval:org.secpod.oval:def:121405
oval:org.secpod.oval:def:707772
...

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