A krb5 security update has been released for openSUSE Leap 15.3.

openSUSE-SU-2021:2800-1: important: Security update for krb5

openSUSE Security Update: Security update for krb5
______________________________________________________________________________

Announcement ID: openSUSE-SU-2021:2800-1
Rating: important
References: #1188571
Cross-References: CVE-2021-36222
CVSS scores:
CVE-2021-36222 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:
openSUSE Leap 15.3
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for krb5 fixes the following issues:

- CVE-2021-36222: Fixed KDC null deref on bad encrypted challenge.
(bsc#1188571)

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.3:

zypper in -t patch openSUSE-SLE-15.3-2021-2800=1


Package List:

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

krb5-1.16.3-3.21.1
krb5-client-1.16.3-3.21.1
krb5-client-debuginfo-1.16.3-3.21.1
krb5-debuginfo-1.16.3-3.21.1
krb5-debugsource-1.16.3-3.21.1
krb5-devel-1.16.3-3.21.1
krb5-mini-1.16.3-3.21.1
krb5-mini-debuginfo-1.16.3-3.21.1
krb5-mini-debugsource-1.16.3-3.21.1
krb5-mini-devel-1.16.3-3.21.1
krb5-plugin-kdb-ldap-1.16.3-3.21.1
krb5-plugin-kdb-ldap-debuginfo-1.16.3-3.21.1
krb5-plugin-preauth-otp-1.16.3-3.21.1
krb5-plugin-preauth-otp-debuginfo-1.16.3-3.21.1
krb5-plugin-preauth-pkinit-1.16.3-3.21.1
krb5-plugin-preauth-pkinit-debuginfo-1.16.3-3.21.1
krb5-server-1.16.3-3.21.1
krb5-server-debuginfo-1.16.3-3.21.1

- openSUSE Leap 15.3 (x86_64):

krb5-32bit-1.16.3-3.21.1
krb5-32bit-debuginfo-1.16.3-3.21.1
krb5-devel-32bit-1.16.3-3.21.1

References:

  https://www.suse.com/security/cve/CVE-2021-36222.html
  https://bugzilla.suse.com/1188571