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CentOS Linux: CVE-2020-17049: Moderate: krb5 security, bug fix, and enhancement update (Multiple Advisories)

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CentOS Linux: CVE-2020-17049: Moderate: krb5 security, bug fix, and enhancement update (Multiple Advisories)

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
11/11/2020
Created
05/15/2023
Added
05/15/2023
Modified
01/11/2024

Description

<p>A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos Constrained Delegation (KCD).</p> <p>To exploit the vulnerability, a compromised service that is configured to use KCD could tamper with a service ticket that is not valid for delegation to force the KDC to accept it.</p> <p>The update addresses this vulnerability by changing how the KDC validates service tickets used with KCD.</p>

Solution(s)

  • centos-upgrade-bind-dyndb-ldap
  • centos-upgrade-bind-dyndb-ldap-debuginfo
  • centos-upgrade-bind-dyndb-ldap-debugsource
  • centos-upgrade-custodia
  • centos-upgrade-ipa-client
  • centos-upgrade-ipa-client-common
  • centos-upgrade-ipa-client-debuginfo
  • centos-upgrade-ipa-client-epn
  • centos-upgrade-ipa-client-samba
  • centos-upgrade-ipa-common
  • centos-upgrade-ipa-debuginfo
  • centos-upgrade-ipa-debugsource
  • centos-upgrade-ipa-healthcheck
  • centos-upgrade-ipa-healthcheck-core
  • centos-upgrade-ipa-python-compat
  • centos-upgrade-ipa-selinux
  • centos-upgrade-ipa-server
  • centos-upgrade-ipa-server-common
  • centos-upgrade-ipa-server-debuginfo
  • centos-upgrade-ipa-server-dns
  • centos-upgrade-ipa-server-trust-ad
  • centos-upgrade-ipa-server-trust-ad-debuginfo
  • centos-upgrade-krb5-debuginfo
  • centos-upgrade-krb5-debugsource
  • centos-upgrade-krb5-devel
  • centos-upgrade-krb5-libs
  • centos-upgrade-krb5-libs-debuginfo
  • centos-upgrade-krb5-pkinit
  • centos-upgrade-krb5-pkinit-debuginfo
  • centos-upgrade-krb5-server
  • centos-upgrade-krb5-server-debuginfo
  • centos-upgrade-krb5-server-ldap
  • centos-upgrade-krb5-server-ldap-debuginfo
  • centos-upgrade-krb5-workstation
  • centos-upgrade-krb5-workstation-debuginfo
  • centos-upgrade-libkadm5
  • centos-upgrade-libkadm5-debuginfo
  • centos-upgrade-opendnssec
  • centos-upgrade-opendnssec-debuginfo
  • centos-upgrade-opendnssec-debugsource
  • centos-upgrade-python3-custodia
  • centos-upgrade-python3-ipaclient
  • centos-upgrade-python3-ipalib
  • centos-upgrade-python3-ipaserver
  • centos-upgrade-python3-ipatests
  • centos-upgrade-python3-jwcrypto
  • centos-upgrade-python3-kdcproxy
  • centos-upgrade-python3-pyusb
  • centos-upgrade-python3-qrcode
  • centos-upgrade-python3-qrcode-core
  • centos-upgrade-python3-yubico
  • centos-upgrade-slapi-nis
  • centos-upgrade-slapi-nis-debuginfo
  • centos-upgrade-slapi-nis-debugsource
  • centos-upgrade-softhsm
  • centos-upgrade-softhsm-debuginfo
  • centos-upgrade-softhsm-debugsource
  • centos-upgrade-softhsm-devel

References

  • CVE-2020-17049

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