https://bugzilla.redhat.com/show_bug.cgi?id=2035273
Bug ID: 2035273
Summary: CVE-2020-16156 perl-CPAN: allows Signature
Verification Bypass
Product: Security Response
Hardware: All
OS: Linux
Status: NEW
Component: vulnerability
Keywords: Security
Severity: medium
Priority: medium
Assignee: security-response-t...@redhat.com
Reporter: mre...@redhat.com
CC: caswi...@redhat.com, hho...@redhat.com,
jor...@redhat.com, jples...@redhat.com,
kayc...@redhat.com, mspa...@redhat.com,
perl-devel@lists.fedoraproject.org,
perl-maint-l...@redhat.com, ppi...@redhat.com
Target Milestone: ---
Classification: Other
It was found that cpan and cpanm are vulnerable to a signature verification
bypass. Additionally, CPAN::Checksums (used by PAUSE) does not uniquely
identify packages in the signed CHECKSUMS file, enabling a supply chain attack.
Reference:
https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/
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https://bugzilla.redhat.com/show_bug.cgi?id=2035273
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