QID 354065

Date Published: 2022-10-13

QID 354065: Amazon Linux Security Advisory for krb5 : ALAS2-2022-1845

A flaw was found in krb5.
Mit kerberos 5 allows unbounded recursion via an asn.1-encoded kerberos message because the lib/krb5/asn.1/asn1_encode.c support for ber indefinite lengths lacks a recursion limit. (
( CVE-2020-28196)



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 - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2022-1845 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354065

    CVE-2020-28196 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2022-1845 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2022-1845.html
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