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Amazon Linux AMI 2: CVE-2021-37750: Security patch for krb5 (ALAS-2022-1738)

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Amazon Linux AMI 2: CVE-2021-37750: Security patch for krb5 (ALAS-2022-1738)

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
08/23/2021
Created
07/16/2022
Added
07/04/2022
Modified
07/14/2022

Description

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.

Solution(s)

  • amazon-linux-ami-2-upgrade-krb5-debuginfo
  • amazon-linux-ami-2-upgrade-krb5-devel
  • amazon-linux-ami-2-upgrade-krb5-libs
  • amazon-linux-ami-2-upgrade-krb5-pkinit
  • amazon-linux-ami-2-upgrade-krb5-server
  • amazon-linux-ami-2-upgrade-krb5-server-ldap
  • amazon-linux-ami-2-upgrade-krb5-workstation
  • amazon-linux-ami-2-upgrade-libkadm5

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