QID 354311

Date Published: 2022-12-21

QID 354311: Amazon Linux Security Advisory for perl-CPAN : ALAS2022-2022-072

A flaw was found in the way the perl-cpan performed verification of package signatures stored in checksums files.
A malicious or compromised cpan server used by a user, or a man-in-the-middle attacker, could use this flaw to bypass signature verification. (
( CVE-2020-16156)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2022-2022-072 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354311

    CVE-2020-16156 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2022-2022-072 amazon linux 2022 URL Logo alas.aws.amazon.com/AL2022/ALAS-2022-072.html
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