drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mangelnde Rechteprüfung in Heimdal (Aktualisierung)
Name: |
Mangelnde Rechteprüfung in Heimdal (Aktualisierung) |
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ID: |
USN-3353-3 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 12.04 ESM |
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Datum: |
Mo, 24. Juli 2017, 22:36 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11103 |
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Applikationen: |
Heimdal |
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Update von: |
Mangelnde Rechteprüfung in Heimdal |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3353-3 July 24, 2017
heimdal vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Heimdal could allow unintended access to network services.
Software Description: - heimdal: Heimdal Kerberos Network Authentication Protocol
Details:
USN-3353-1 fixed a vulnerability in Heimdal. This update provides the corresponding updade for Ubuntu 12.04 ESM.
Original advisory details:
 Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered  that Heimdal clients incorrectly trusted unauthenticated portions  of Kerberos tickets. A remote attacker could use this to impersonate  trusted network services or perform other attacks.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04 ESM:  libkrb5-26-heimdal              1.6~git20120311.dfsg.1-2ubuntu0.2
After a standard system update you need to restart any applications using Heimdal libraries to make all the necessary changes.
References: Â https://www.ubuntu.com/usn/usn-3353-3 Â https://www.ubuntu.com/usn/usn-3353-1 Â CVE-2017-11103
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