drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mangelnde Prüfung von Schlüsseln in APT
Name: |
Mangelnde Prüfung von Schlüsseln in APT |
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ID: |
USN-1475-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 11.04, Ubuntu 11.10, Ubuntu 12.04 LTS |
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Datum: |
Fr, 15. Juni 2012, 06:49 |
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Referenzen: |
Keine Angabe |
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Applikationen: |
APT |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1475-1 June 15, 2012
apt update ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS - Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS
Summary:
APT now more thoroughly verifies imported keyrings.
Software Description: - apt: Advanced front-end for dpkg
Details:
Georgi Guninski discovered that APT relied on GnuPG argument order and did not check GPG subkeys when validating imported keyrings via apt-key net-update. While it appears that a man-in-the-middle attacker cannot exploit this, as a hardening measure this update adjusts apt-key to validate all subkeys when checking for key collisions.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04 LTS: apt 0.8.16~exp12ubuntu10.1
Ubuntu 11.10: apt 0.8.16~exp5ubuntu13.4
Ubuntu 11.04: apt 0.8.13.2ubuntu4.5
Ubuntu 10.04 LTS: apt 0.7.25.3ubuntu9.12
Ubuntu 8.04 LTS: apt 0.7.9ubuntu17.5
In general, a standard system update will make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-1475-1 https://launchpad.net/bugs/1013128
Package Information: https://launchpad.net/ubuntu/+source/apt/0.8.16~exp12ubuntu10.1 https://launchpad.net/ubuntu/+source/apt/0.8.16~exp5ubuntu13.4 https://launchpad.net/ubuntu/+source/apt/0.8.13.2ubuntu4.5 https://launchpad.net/ubuntu/+source/apt/0.7.25.3ubuntu9.12 https://launchpad.net/ubuntu/+source/apt/0.7.9ubuntu17.5
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