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Sicherheit: Ausführen beliebiger Kommandos in krb5
Aktuelle Meldungen Distributionen
Name: Ausführen beliebiger Kommandos in krb5
ID: FEDORA-2017-7a22a80c7e
Distribution: Fedora
Plattformen: Fedora 27
Datum: So, 1. Oktober 2017, 01:05
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11462

Originalnachricht

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Fedora Update Notification
FEDORA-2017-7a22a80c7e
2017-09-30 05:57:53.218406
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Name : krb5
Product : Fedora 27
Version : 1.15.1
Release : 28.fc27
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:

- Prevent applications from accidentally implementing CVE-2017-11462 (double
free if sec_context is copied). - fc26+: Add ccselect hostrealm module for
ccache selection based on service hostname.
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References:

[ 1 ] Bug #1488873 - CVE-2017-11462 krb5: Automatic sec context deletion
could lead to double-free
https://bugzilla.redhat.com/show_bug.cgi?id=1488873
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade krb5' at the command line.
For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

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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