Security
Headlines
HeadlinesLatestCVEs

Headline

Red Hat Security Advisory 2022-8663-01

Red Hat Security Advisory 2022-8663-01 - 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. Issues addressed include an integer overflow vulnerability.

Packet Storm
#vulnerability#linux#red_hat#js#ldap#auth#ssl

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================
Red Hat Security Advisory

Synopsis: Important: krb5 security update
Advisory ID: RHSA-2022:8663-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:8663
Issue date: 2022-11-29
CVE Names: CVE-2022-42898
====================================================================

  1. Summary:

An update for krb5 is now available for Red Hat Enterprise Linux 6 Extended
Lifecycle Support.

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.

  1. Relevant releases/architectures:

Red Hat Enterprise Linux Server (v. 6 ELS) - i386, s390x, x86_64

  1. 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.

  1. 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.

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

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

  1. Package List:

Red Hat Enterprise Linux Server (v. 6 ELS):

Source:
krb5-1.10.3-66.el6_10.src.rpm

i386:
krb5-debuginfo-1.10.3-66.el6_10.i686.rpm
krb5-devel-1.10.3-66.el6_10.i686.rpm
krb5-libs-1.10.3-66.el6_10.i686.rpm
krb5-pkinit-openssl-1.10.3-66.el6_10.i686.rpm
krb5-server-1.10.3-66.el6_10.i686.rpm
krb5-server-ldap-1.10.3-66.el6_10.i686.rpm
krb5-workstation-1.10.3-66.el6_10.i686.rpm
libkadm5-1.10.3-66.el6_10.i686.rpm

s390x:
krb5-debuginfo-1.10.3-66.el6_10.s390.rpm
krb5-debuginfo-1.10.3-66.el6_10.s390x.rpm
krb5-devel-1.10.3-66.el6_10.s390.rpm
krb5-devel-1.10.3-66.el6_10.s390x.rpm
krb5-libs-1.10.3-66.el6_10.s390.rpm
krb5-libs-1.10.3-66.el6_10.s390x.rpm
krb5-pkinit-openssl-1.10.3-66.el6_10.s390x.rpm
krb5-server-1.10.3-66.el6_10.s390x.rpm
krb5-server-ldap-1.10.3-66.el6_10.s390.rpm
krb5-server-ldap-1.10.3-66.el6_10.s390x.rpm
krb5-workstation-1.10.3-66.el6_10.s390x.rpm
libkadm5-1.10.3-66.el6_10.s390.rpm
libkadm5-1.10.3-66.el6_10.s390x.rpm

x86_64:
krb5-debuginfo-1.10.3-66.el6_10.i686.rpm
krb5-debuginfo-1.10.3-66.el6_10.x86_64.rpm
krb5-devel-1.10.3-66.el6_10.i686.rpm
krb5-devel-1.10.3-66.el6_10.x86_64.rpm
krb5-libs-1.10.3-66.el6_10.i686.rpm
krb5-libs-1.10.3-66.el6_10.x86_64.rpm
krb5-pkinit-openssl-1.10.3-66.el6_10.x86_64.rpm
krb5-server-1.10.3-66.el6_10.x86_64.rpm
krb5-server-ldap-1.10.3-66.el6_10.i686.rpm
krb5-server-ldap-1.10.3-66.el6_10.x86_64.rpm
krb5-workstation-1.10.3-66.el6_10.x86_64.rpm
libkadm5-1.10.3-66.el6_10.i686.rpm
libkadm5-1.10.3-66.el6_10.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/

  1. References:

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

  1. Contact:

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

Copyright 2022 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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Íkx
-----END PGP SIGNATURE-----

RHSA-announce mailing list
[email protected]
https://listman.redhat.com/mailman/listinfo/rhsa-announce

Related news

CVE-2023-22130: Oracle Critical Patch Update Advisory - October 2023

Vulnerability in the Sun ZFS Storage Appliance product of Oracle Systems (component: Core). The supported version that is affected is 8.8.60. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Sun ZFS Storage Appliance. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Sun ZFS Storage Appliance. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

RHSA-2023:4053: Red Hat Security Advisory: OpenShift Container Platform 4.11.45 bug fix and security update

Red Hat OpenShift Container Platform release 4.11.45 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.11. Red Hat Product Security has rated this update as having a security impact of [impact]. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-21235: A flaw was found in the VCS package, caused by improper validation of user-supplied input. By using a specially-crafted argument, a remote attacker could execute arbitrary commands o...

RHSA-2023:3664: Red Hat Security Advisory: OpenShift Jenkins image and Jenkins agent base image security update

Release of Bug Advisories for the OpenShift Jenkins image and Jenkins agent base image. Red Hat Product Security has rated this update as having a security impact of Moderate. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-1705: A flaw was found in golang. The HTTP/1 client accepted invalid Transfer-Encoding headers indicating "chunked" encoding. This issue could allow request smuggling, but only if combined with an intermediate server that also improperly accepts the header as invalid. * CVE-2022-2880: A flaw was found in the golang package, where reques...

CVE-2023-23694: DSA-2023-071: Dell VxRail Security Update for Multiple Third-Party Component Vulnerabilities – 7.0.450

Dell VxRail versions earlier than 7.0.450, contain(s) an OS command injection vulnerability in VxRail Manager. A local authenticated attacker could potentially exploit this vulnerability, leading to the execution of arbitrary OS commands on the application's underlying OS, with the privileges of the vulnerable application. Exploitation may lead to a system take over by an attacker.

RHSA-2023:1326: Red Hat Security Advisory: OpenShift Container Platform 4.13.0 security update

Red Hat OpenShift Container Platform release 4.13.0 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.13. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4235: A flaw was found in go-yaml. This issue occurs due to unbounded alias chasing, where a maliciously crafted YAML file can cause the system to consume significant system resources. If p...

Ubuntu Security Notice USN-5936-1

Ubuntu Security Notice 5936-1 - Evgeny Legerov discovered that Samba incorrectly handled buffers in certain GSSAPI routines of Heimdal. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. Tom Tervoort discovered that Samba incorrectly used weak rc4-hmac Kerberos keys. A remote attacker could possibly use this issue to elevate privileges.

RHSA-2023:0918: Red Hat Security Advisory: Service Binding Operator security update

An update for service-binding-operator-bundle-container and service-binding-operator-container is now available for OpenShift Developer Tools and Services for OCP 4.9. Red Hat Product Security has rated this update as having a security impact of Moderate. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-41717: A flaw was found in the net/http library of the golang package. This flaw allows an attacker to cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. W...

Red Hat Security Advisory 2023-0795-01

Red Hat Security Advisory 2023-0795-01 - Submariner 0.13.3 packages that fix various bugs and add various enhancements that are now available for Red Hat Advanced Cluster Management for Kubernetes version 2.6.

Red Hat Security Advisory 2023-0709-01

Red Hat Security Advisory 2023-0709-01 - Version 1.27.0 of the OpenShift Serverless Operator is supported on Red Hat OpenShift Container Platform versions 4.8, 4.9, 4.10, 4.11 and 4.12. This release includes security and bug fixes, and enhancements.

Red Hat Security Advisory 2023-0634-01

Red Hat Security Advisory 2023-0634-01 - Logging Subsystem 5.6.1 - Red Hat OpenShift. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-0542-01

Red Hat Security Advisory 2023-0542-01 - Red Hat OpenShift Service Mesh is the Red Hat distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation. This advisory covers container images for the release. Issues addressed include denial of service and spoofing vulnerabilities.

Ubuntu Security Notice USN-5822-2

Ubuntu Security Notice 5822-2 - USN-5822-1 fixed vulnerabilities in Samba. The update for Ubuntu 20.04 LTS introduced regressions in certain environments. Pending investigation of these regressions, this update temporarily reverts the security fixes. It was discovered that Samba incorrectly handled the bad password count logic. It was discovered that Samba supported weak RC4/HMAC-MD5 in NetLogon Secure Channel. Greg Hudson discovered that Samba incorrectly handled PAC parsing. Joseph Sutton discovered that Samba could be forced to issue rc4-hmac encrypted Kerberos tickets.

Red Hat Security Advisory 2023-0408-01

Red Hat Security Advisory 2023-0408-01 - OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. Issues addressed include denial of service and out of bounds read vulnerabilities.

Ubuntu Security Notice USN-5822-1

Ubuntu Security Notice 5822-1 - It was discovered that Samba incorrectly handled the bad password count logic. A remote attacker could possibly use this issue to bypass bad passwords lockouts. This issue was only addressed in Ubuntu 22.10. Evgeny Legerov discovered that Samba incorrectly handled buffers in certain GSSAPI routines of Heimdal. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service.

RHSA-2022:7399: Red Hat Security Advisory: OpenShift Container Platform 4.12.0 bug fix and security update

Red Hat OpenShift Container Platform release 4.12.0 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.12. Red Hat Product Security has rated this update as having a security impact of Moderate. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-38561: golang: out-of-bounds read in golang.org/x/text/language leads to DoS * CVE-2022-1705: golang: net/http: improper sanitization of Transfer-Encoding header * CVE-2022-2879: golang: arc...

CVE-2022-42898: Fix integer overflows in PAC parsing · krb5/krb5@ea92d2f

PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution (in KDC, kadmind, or a GSS or Kerberos application server) on 32-bit platforms (which have a resultant heap-based buffer overflow), and cause a denial of service on other platforms. This occurs in krb5_pac_parse in lib/krb5/krb/pac.c. Heimdal before 7.7.1 has "a similar bug."

RHSA-2022:8893: Red Hat Security Advisory: OpenShift Container Platform 4.11.20 security update

Red Hat OpenShift Container Platform release 4.11.20 is now available with updates to packages and images that fix several bugs and add enhancements. Red Hat Product Security has rated this update as having a security impact of Moderate. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-27191: golang: crash in a golang.org/x/crypto/ssh server

RHSA-2022:9047: Red Hat Security Advisory: Migration Toolkit for Containers (MTC) 1.7.6 security and bug fix update

The Migration Toolkit for Containers (MTC) 1.7.6 is now available. Red Hat Product Security has rated this update as having a security impact of Moderate. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-1705: golang: net/http: improper sanitization of Transfer-Encoding header * CVE-2022-1962: golang: go/parser: stack exhaustion in all Parse* functions * CVE-2022-28131: golang: encoding/xml: stack exhaustion in Decoder.Skip * CVE-2022-30629: golang: crypto/tls: session tickets lack random ticket_age_add * CVE-2022-30630: golang: io/fs: stack exhaustion in G...

Red Hat Security Advisory 2022-8964-01

Red Hat Security Advisory 2022-8964-01 - The rh-sso-7/sso76-openshift-rhel8 container image and rh-sso-7/sso7-rhel8-operator operator has been updated for RHEL-8 based Middleware Containers to address the following security issues. Issues addressed include a traversal vulnerability.

Red Hat Security Advisory 2022-8889-01

Red Hat Security Advisory 2022-8889-01 - This is an Openshift Logging bug fix release. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2022-8827-01

Red Hat Security Advisory 2022-8827-01 - Updated images are now available for Red Hat Advanced Cluster Security (RHACS). The updated image includes new features and bug fixes.

Red Hat Security Advisory 2022-8662-01

Red Hat Security Advisory 2022-8662-01 - 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. Issues addressed include an integer overflow vulnerability.

RHSA-2022:8669: Red Hat Security Advisory: krb5 security update

An update for krb5 is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-42898: krb5: integer overflow vulnerabilities in PAC parsing

Red Hat Security Advisory 2022-8639-01

Red Hat Security Advisory 2022-8639-01 - 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. Issues addressed include an integer overflow vulnerability.

Red Hat Security Advisory 2022-8638-01

Red Hat Security Advisory 2022-8638-01 - 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. Issues addressed include an integer overflow vulnerability.

Red Hat Security Advisory 2022-8648-01

Red Hat Security Advisory 2022-8648-01 - 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. Issues addressed include an integer overflow vulnerability.

Red Hat Security Advisory 2022-8641-01

Red Hat Security Advisory 2022-8641-01 - 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. Issues addressed include an integer overflow vulnerability.

Red Hat Security Advisory 2022-8637-01

Red Hat Security Advisory 2022-8637-01 - 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. Issues addressed include an integer overflow vulnerability.

RHSA-2022:8648: Red Hat Security Advisory: krb5 security update

An update for krb5 is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-42898: krb5: integer overflow vulnerabilities in PAC parsing

RHSA-2022:8641: Red Hat Security Advisory: krb5 security update

An update for krb5 is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-42898: krb5: integer overflow vulnerabilities in PAC parsing

RHSA-2022:8639: Red Hat Security Advisory: krb5 security update

An update for krb5 is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-42898: krb5: integer overflow vulnerabilities in PAC parsing

RHSA-2022:8638: Red Hat Security Advisory: krb5 security update

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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-42898: krb5: integer overflow vulnerabilities in PAC parsing

Packet Storm: Latest News

Ivanti EPM Remote Code Execution