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Sicherheit: Denial of Service in krb5
Aktuelle Meldungen Distributionen
Name: Denial of Service in krb5
ID: FEDORA-2016-f405b25923
Distribution: Fedora
Plattformen: Fedora 23
Datum: Mi, 31. August 2016, 14:45
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3120

Originalnachricht

Name        : krb5
Product : Fedora 23
Version : 1.14.3
Release : 4.fc23
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.

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Update Information:

Bump version to 1.14.3 for the convenience of those needing the SNI fix. ----
Require krb5 to set the "Host:" header when speaking KKDCPP. This
fixes use of
TLS with SNI. ---- Fix low-impact CVE-2016-3120 where S4U2Self may cause KDC
crash when anon is restricted
-------------------------------------------------------------------------------
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References:

[ 1 ] Bug #1361050 - CVE-2016-3120 krb5: S4U2Self KDC crash when anon is
restricted
https://bugzilla.redhat.com/show_bug.cgi?id=1361050
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This update can be installed with the "yum" update program. Use
su -c 'yum update krb5' at the command line.
For more information, refer to "Managing Software with yum",
available at https://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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