VULNERABILITY

Oracle Solaris 11: CVE-2018-20217: Vulnerability in Kerberos

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Oracle Solaris 11: CVE-2018-20217: Vulnerability in Kerberos

Severity
4
CVSS
(AV:N/AC:M/Au:S/C:N/I:N/A:P)
Published
12/26/2018
Created
03/19/2019
Added
02/20/2019
Modified
02/17/2022

Description

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Solution(s)

  • oracle-solaris-11-4-upgrade-security-kerberos-5-1-16-1-0-11-4-6-0-1-1-0
  • oracle-solaris-11-4-upgrade-security-kerberos-5-kdc-1-16-1-0-11-4-6-0-1-1-0

References

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