Sicherheit: Denial of Service in krb5
Aktuelle Meldungen Distributionen
Name: Denial of Service in krb5
ID: FEDORA-2018-7db7ccda4d
Distribution: Fedora
Plattformen: Fedora 29
Datum: Mo, 24. Dezember 2018, 09:34
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20217
Applikationen: MIT Kerberos


Fedora Update Notification
2018-12-24 06:06:55.202771

Name : krb5
Product : Fedora 29
Version : 1.16.1
Release : 22.fc29
URL : http://web.mit.edu/kerberos/www/
Summary : The Kerberos network authentication system
Description :
Kerberos V5 is a trusted-third-party network authentication system,
which can improve your network's security by eliminating the insecure
practice of sending passwords over the network in unencrypted form.

Update Information:

Fix low-severity CVE-2018-20217 (an authenticated user who can obtain a TGT
using an older encryption type (DES, DES3, or RC4) can cause an assertion
failure in the KDC by sending an S4U2Self request.)

* Thu Dec 20 2018 Robbie Harwood <rharwood@redhat.com> - 1.16.1-22
- Remove incorrect KDC assertion (CVE-2018-20217)

This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2018-7db7ccda4d' at the command
line. For more information, refer to the dnf documentation available at

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