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Red Hat Enterprise 8 RHSA-2022:8638-01 Important: krb5 Integer Overflow

Redhat Large Esm H500
An update for krb5 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability
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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: krb5 security update
Advisory ID:       RHSA-2022:8638-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:8638
Issue date:        2022-11-28
CVE Names:         CVE-2022-42898 
====================================================================
1. Summary:

An update for krb5 is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

Kerberos is a network authentication system, which can improve the security
of your network by eliminating the insecure practice of sending passwords
over the network in unencrypted form. It allows clients and servers to
authenticate to each other with the help of a trusted third party, the
Kerberos key distribution center (KDC).

Security Fix(es):

* krb5: integer overflow vulnerabilities in PAC parsing (CVE-2022-42898)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the updated packages, running Kerberos services (krb5kdc,
kadmin, and kprop) will be restarted automatically.

5. Bugs fixed (https://bugzilla.redhat.com/):

2140960 - CVE-2022-42898 krb5: integer overflow vulnerabilities in PAC parsing

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
krb5-1.18.2-22.el8_7.src.rpm

aarch64:
krb5-debuginfo-1.18.2-22.el8_7.aarch64.rpm
krb5-debugsource-1.18.2-22.el8_7.aarch64.rpm
krb5-devel-1.18.2-22.el8_7.aarch64.rpm
krb5-devel-debuginfo-1.18.2-22.el8_7.aarch64.rpm
krb5-libs-1.18.2-22.el8_7.aarch64.rpm
krb5-libs-debuginfo-1.18.2-22.el8_7.aarch64.rpm
krb5-pkinit-1.18.2-22.el8_7.aarch64.rpm
krb5-pkinit-debuginfo-1.18.2-22.el8_7.aarch64.rpm
krb5-server-1.18.2-22.el8_7.aarch64.rpm
krb5-server-debuginfo-1.18.2-22.el8_7.aarch64.rpm
krb5-server-ldap-1.18.2-22.el8_7.aarch64.rpm
krb5-server-ldap-debuginfo-1.18.2-22.el8_7.aarch64.rpm
krb5-workstation-1.18.2-22.el8_7.aarch64.rpm
krb5-workstation-debuginfo-1.18.2-22.el8_7.aarch64.rpm
libkadm5-1.18.2-22.el8_7.aarch64.rpm
libkadm5-debuginfo-1.18.2-22.el8_7.aarch64.rpm

ppc64le:
krb5-debuginfo-1.18.2-22.el8_7.ppc64le.rpm
krb5-debugsource-1.18.2-22.el8_7.ppc64le.rpm
krb5-devel-1.18.2-22.el8_7.ppc64le.rpm
krb5-devel-debuginfo-1.18.2-22.el8_7.ppc64le.rpm
krb5-libs-1.18.2-22.el8_7.ppc64le.rpm
krb5-libs-debuginfo-1.18.2-22.el8_7.ppc64le.rpm
krb5-pkinit-1.18.2-22.el8_7.ppc64le.rpm
krb5-pkinit-debuginfo-1.18.2-22.el8_7.ppc64le.rpm
krb5-server-1.18.2-22.el8_7.ppc64le.rpm
krb5-server-debuginfo-1.18.2-22.el8_7.ppc64le.rpm
krb5-server-ldap-1.18.2-22.el8_7.ppc64le.rpm
krb5-server-ldap-debuginfo-1.18.2-22.el8_7.ppc64le.rpm
krb5-workstation-1.18.2-22.el8_7.ppc64le.rpm
krb5-workstation-debuginfo-1.18.2-22.el8_7.ppc64le.rpm
libkadm5-1.18.2-22.el8_7.ppc64le.rpm
libkadm5-debuginfo-1.18.2-22.el8_7.ppc64le.rpm

s390x:
krb5-debuginfo-1.18.2-22.el8_7.s390x.rpm
krb5-debugsource-1.18.2-22.el8_7.s390x.rpm
krb5-devel-1.18.2-22.el8_7.s390x.rpm
krb5-devel-debuginfo-1.18.2-22.el8_7.s390x.rpm
krb5-libs-1.18.2-22.el8_7.s390x.rpm
krb5-libs-debuginfo-1.18.2-22.el8_7.s390x.rpm
krb5-pkinit-1.18.2-22.el8_7.s390x.rpm
krb5-pkinit-debuginfo-1.18.2-22.el8_7.s390x.rpm
krb5-server-1.18.2-22.el8_7.s390x.rpm
krb5-server-debuginfo-1.18.2-22.el8_7.s390x.rpm
krb5-server-ldap-1.18.2-22.el8_7.s390x.rpm
krb5-server-ldap-debuginfo-1.18.2-22.el8_7.s390x.rpm
krb5-workstation-1.18.2-22.el8_7.s390x.rpm
krb5-workstation-debuginfo-1.18.2-22.el8_7.s390x.rpm
libkadm5-1.18.2-22.el8_7.s390x.rpm
libkadm5-debuginfo-1.18.2-22.el8_7.s390x.rpm

x86_64:
krb5-debuginfo-1.18.2-22.el8_7.i686.rpm
krb5-debuginfo-1.18.2-22.el8_7.x86_64.rpm
krb5-debugsource-1.18.2-22.el8_7.i686.rpm
krb5-debugsource-1.18.2-22.el8_7.x86_64.rpm
krb5-devel-1.18.2-22.el8_7.i686.rpm
krb5-devel-1.18.2-22.el8_7.x86_64.rpm
krb5-devel-debuginfo-1.18.2-22.el8_7.i686.rpm
krb5-devel-debuginfo-1.18.2-22.el8_7.x86_64.rpm
krb5-libs-1.18.2-22.el8_7.i686.rpm
krb5-libs-1.18.2-22.el8_7.x86_64.rpm
krb5-libs-debuginfo-1.18.2-22.el8_7.i686.rpm
krb5-libs-debuginfo-1.18.2-22.el8_7.x86_64.rpm
krb5-pkinit-1.18.2-22.el8_7.i686.rpm
krb5-pkinit-1.18.2-22.el8_7.x86_64.rpm
krb5-pkinit-debuginfo-1.18.2-22.el8_7.i686.rpm
krb5-pkinit-debuginfo-1.18.2-22.el8_7.x86_64.rpm
krb5-server-1.18.2-22.el8_7.i686.rpm
krb5-server-1.18.2-22.el8_7.x86_64.rpm
krb5-server-debuginfo-1.18.2-22.el8_7.i686.rpm
krb5-server-debuginfo-1.18.2-22.el8_7.x86_64.rpm
krb5-server-ldap-1.18.2-22.el8_7.i686.rpm
krb5-server-ldap-1.18.2-22.el8_7.x86_64.rpm
krb5-server-ldap-debuginfo-1.18.2-22.el8_7.i686.rpm
krb5-server-ldap-debuginfo-1.18.2-22.el8_7.x86_64.rpm
krb5-workstation-1.18.2-22.el8_7.x86_64.rpm
krb5-workstation-debuginfo-1.18.2-22.el8_7.i686.rpm
krb5-workstation-debuginfo-1.18.2-22.el8_7.x86_64.rpm
libkadm5-1.18.2-22.el8_7.i686.rpm
libkadm5-1.18.2-22.el8_7.x86_64.rpm
libkadm5-debuginfo-1.18.2-22.el8_7.i686.rpm
libkadm5-debuginfo-1.18.2-22.el8_7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2022-42898
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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Red Hat Enterprise 8 RHSA-2022:8638-01 Important: krb5 Integer Overflow

red hat
Calendar Grey November 28, 2022
Dist Redhat Esm H88
Critical patch released for Red Hat's openldap, addressing buffer overflow issues—ensure your systems are safeguarded today!
An update for krb5 is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the updated packages, running Kerberos services (krb5kdc, kadmin, and kprop) will be restarted automatically.

Summary

Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending passwords over the network in unencrypted form. It allows clients and servers to authenticate to each other with the help of a trusted third party, the Kerberos key distribution center (KDC).
Security Fix(es):
* krb5: integer overflow vulnerabilities in PAC parsing (CVE-2022-42898)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

https://access.redhat.com/security/cve/CVE-2022-42898 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: krb5-1.18.2-22.el8_7.src.rpm
aarch64: krb5-debuginfo-1.18.2-22.el8_7.aarch64.rpm krb5-debugsource-1.18.2-22.el8_7.aarch64.rpm krb5-devel-1.18.2-22.el8_7.aarch64.rpm krb5-devel-debuginfo-1.18.2-22.el8_7.aarch64.rpm krb5-libs-1.18.2-22.el8_7.aarch64.rpm krb5-libs-debuginfo-1.18.2-22.el8_7.aarch64.rpm krb5-pkinit-1.18.2-22.el8_7.aarch64.rpm krb5-pkinit-debuginfo-1.18.2-22.el8_7.aarch64.rpm krb5-server-1.18.2-22.el8_7.aarch64.rpm krb5-server-debuginfo-1.18.2-22.el8_7.aarch64.rpm krb5-server-ldap-1.18.2-22.el8_7.aarch64.rpm krb5-server-ldap-debuginfo-1.18.2-22.el8_7.aarch64.rpm krb5-workstation-1.18.2-22.el8_7.aarch64.rpm krb5-workstation-debuginfo-1.18.2-22.el8_7.aarch64.rpm libkadm5-1.18.2-22.el8_7.aarch64.rpm libkadm5-debuginfo-1.18.2-22.el8_7.aarch64.rpm
ppc64le: krb5-debuginfo-1.18.2-22.el8_7.ppc64le.rpm krb5-debugsource-1.18.2-22.el8_7.ppc64le.rpm krb5-devel-1.18.2-22.el8_7.ppc64le.rpm krb5-devel-debuginfo-1.18.2-22.el8_7.ppc64le.rpm krb5-libs-1.18.2-22.el8_7.ppc64le.rpm krb5-libs-debuginfo-1.18.2-22.el8_7.ppc64le.rpm krb5-pkinit-1.18.2-22.el8_7.ppc64le.rpm krb5-pkinit-debuginfo-1.18.2-22.el8_7.ppc64le.rpm krb5-server-1.18.2-22.el8_7.ppc64le.rpm krb5-server-debuginfo-1.18.2-22.el8_7.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:8638-01
Product: Red Hat Enterprise Linux
Issue date: 2022-11-28

Topic

An update for krb5 is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2140960 - CVE-2022-42898 krb5: integer overflow vulnerabilities in PAC parsing

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