CVE-2020-16156

CPAN 2.28 allows Signature Verification Bypass.

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://metacpan.org/pod/distribution/CPAN/scripts/cpan	Product Third Party Advisory
https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/	Exploit Third Party Advisory
http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.html	Exploit Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SZ32AJIV4RHJMLWLU5QULGKMMIHYOMDC/	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SD6RYOJII7HRJ6WVORFNVTYNOFY5JDXN/	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:perl:comprehensive_perl_archive_network:2.28:-::::perl::*
	cpe:2.3:a:perl:comprehensive_perl_archive_network:2.28:trial::::perl::*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:34:::::::*
	cpe:2.3:o:fedoraproject:fedora:35:::::::*

Information

Published : 2021-12-13 10:15

Updated : 2022-04-01 06:26

NVD link : CVE-2020-16156

Mitre link : CVE-2020-16156

JSON object : View

CWE

CWE-347

Improper Verification of Cryptographic Signature

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Products Affected

perl

comprehensive_perl_archive_network

fedoraproject

fedora

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