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CentOS Linux: CVE-2017-7562: Moderate: krb5 security, bug fix, and enhancement update (CESA-2018:0666)

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CentOS Linux: CVE-2017-7562: Moderate: krb5 security, bug fix, and enhancement update (CESA-2018:0666)

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:P/A:N)
Published
07/26/2018
Created
08/29/2019
Added
08/28/2019
Modified
05/25/2023

Description

An authentication bypass flaw was found in the way krb5's certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.

Solution(s)

  • centos-upgrade-krb5-debuginfo
  • centos-upgrade-krb5-devel
  • centos-upgrade-krb5-libs
  • centos-upgrade-krb5-pkinit
  • centos-upgrade-krb5-server
  • centos-upgrade-krb5-server-ldap
  • centos-upgrade-krb5-workstation
  • centos-upgrade-libkadm5

References

  • 100511
  • CVE-2017-7562
  • RHSA-2018:0666

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