drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Preisgabe von Informationen in APT
Name: |
Preisgabe von Informationen in APT |
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ID: |
USN-1283-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10, Ubuntu 11.04 |
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Datum: |
Di, 29. November 2011, 08:02 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3634 |
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Applikationen: |
APT |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1283-1 November 28, 2011
apt vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.04 - Ubuntu 10.10 - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS
Summary:
APT could be made to expose sensitive information over the network.
Software Description: - apt: Advanced front-end for dpkg
Details:
It was discovered that APT incorrectly handled the Verify-Host configuration option. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could potentially be used to steal repository credentials. This issue only affected Ubuntu 10.04 LTS and 10.10. (CVE-2011-3634)
USN-1215-1 fixed a vulnerability in APT by disabling the apt-key net-update option. This update re-enables the option with corrected verification. Original advisory details: It was discovered that the apt-key utility incorrectly verified GPG keys when downloaded via the net-update option. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could potentially be used to install altered packages.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 11.04: apt 0.8.13.2ubuntu4.3
Ubuntu 10.10: apt 0.8.3ubuntu7.3
Ubuntu 10.04 LTS: apt 0.7.25.3ubuntu9.9
Ubuntu 8.04 LTS: apt 0.7.9ubuntu17.4
In general, a standard system update will make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-1283-1 CVE-2011-3634
Package Information: https://launchpad.net/ubuntu/+source/apt/0.8.13.2ubuntu4.3 https://launchpad.net/ubuntu/+source/apt/0.8.3ubuntu7.3 https://launchpad.net/ubuntu/+source/apt/0.7.25.3ubuntu9.9 https://launchpad.net/ubuntu/+source/apt/0.7.9ubuntu17.4
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