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CVE-2021-36222

CVE-2021-36222

This page contains facts from public vulnerability sources. Check the original advisory before updating.

ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.

CVSS 7.5 · High · EPSS 10.5% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • krb5 Debian:12

    Affected ranges
    • ECOSYSTEM: < 1.18.3-6

    Update to 1.18.3-6

  • krb5 Debian:13

    Affected ranges
    • ECOSYSTEM: < 1.18.3-6

    Update to 1.18.3-6

  • krb5 Debian:14

    Affected ranges
    • ECOSYSTEM: < 1.18.3-6

    Update to 1.18.3-6

  • krb5 Ubuntu:18.04:LTS

    Versions
    • 1.15.1-2
    • 1.16-2
    • 1.16-2build1
    • 1.16-2ubuntu0.1
    • 1.16-2ubuntu0.2
    • 1.16-2ubuntu0.3
    Affected ranges
    • ECOSYSTEM: < 1.16-2ubuntu0.4

    Update to 1.16-2ubuntu0.4

  • krb5 Ubuntu:20.04:LTS

    Versions
    • 1.17-6
    • 1.17-6ubuntu3
    • 1.17-6ubuntu4
    • 1.17-6ubuntu4.1
    • 1.17-6ubuntu4.2
    Affected ranges
    • ECOSYSTEM: < 1.17-6ubuntu4.3

    Update to 1.17-6ubuntu4.3

Original sources

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