drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in Postfix
Name: |
Ausführen beliebiger Kommandos in Postfix |
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ID: |
USN-1131-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 6.06, Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10, Ubuntu 11.04 |
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Datum: |
Mi, 11. Mai 2011, 12:49 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1720 |
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Applikationen: |
Postfix |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1131-1 May 11, 2011
postfix 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 - Ubuntu 6.06 LTS
Summary:
An attacker could send crafted input to Postfix and cause it to crash or run programs.
Software Description: - postfix: High-performance mail transport agent
Details:
Thomas Jarosch discovered that Postfix incorrectly handled authentication mechanisms other than PLAIN and LOGIN when the Cyrus SASL library is used. A remote attacker could use this to cause Postfix to crash, leading to a denial of service, or possibly execute arbitrary code as the postfix user.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 11.04: postfix 2.8.2-1ubuntu2.1
Ubuntu 10.10: postfix 2.7.1-1ubuntu0.2
Ubuntu 10.04 LTS: postfix 2.7.0-1ubuntu0.2
Ubuntu 8.04 LTS: postfix 2.5.1-2ubuntu1.4
Ubuntu 6.06 LTS: postfix 2.2.10-1ubuntu0.4
In general, a standard system update will make all the necessary changes.
References: CVE-2011-1720
Package Information: https://launchpad.net/ubuntu/+source/postfix/2.8.2-1ubuntu2.1 https://launchpad.net/ubuntu/+source/postfix/2.7.1-1ubuntu0.2 https://launchpad.net/ubuntu/+source/postfix/2.7.0-1ubuntu0.2 https://launchpad.net/ubuntu/+source/postfix/2.5.1-2ubuntu1.4 https://launchpad.net/ubuntu/+source/postfix/2.2.10-1ubuntu0.4
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