Rapid7 Vulnerability & Exploit Database

Oracle Linux: (CVE-2017-7562) ELSA-2018-0666: krb5 security, bug fix, and enhancement update

Back to Search

Oracle Linux: (CVE-2017-7562) ELSA-2018-0666: krb5 security, bug fix, and enhancement update

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:P/A:N)
Published
04/10/2018
Created
07/25/2018
Added
04/19/2018
Modified
05/07/2019

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)

  • oracle-linux-upgrade-krb5
  • oracle-linux-upgrade-krb5-devel
  • oracle-linux-upgrade-krb5-libs
  • oracle-linux-upgrade-krb5-pkinit
  • oracle-linux-upgrade-krb5-server
  • oracle-linux-upgrade-krb5-server-ldap
  • oracle-linux-upgrade-krb5-workstation
  • oracle-linux-upgrade-libkadm5

References

  • ELSA-2018-0666
  • CVE-2017-7562

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;