drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in Shadow (Aktualisierung)
Name: |
Zwei Probleme in Shadow (Aktualisierung) |
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ID: |
USN-3276-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 16.10, Ubuntu 17.04 |
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Datum: |
Mi, 17. Mai 2017, 06:25 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6252
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2616 |
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Applikationen: |
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Update von: |
Zwei Probleme in Shadow |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3276-2 May 17, 2017
shadow regression ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04 - Ubuntu 16.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS
Summary:
USN-3276-1 introduced a regression in su.
Software Description: - shadow: system login tools
Details:
USN-3276-1 intended to fix a vulnerability in su. The solution introduced a regression in su signal handling. This update modifies the security fix. We apologize for the inconvenience.
Original advisory details:
Sebastian Krahmer discovered integer overflows in shadow utilities. A local attacker could possibly cause them to crash or potentially gain privileges via crafted input. (CVE-2016-6252)
Tobias Stöckmann discovered a race condition in su. A local attacker could cause su to send SIGKILL to other processes with root privileges. (CVE-2017-2616)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 17.04: login 1:4.2-3.2ubuntu1.17.04.2 passwd 1:4.2-3.2ubuntu1.17.04.2 uidmap 1:4.2-3.2ubuntu1.17.04.2
Ubuntu 16.10: login 1:4.2-3.2ubuntu1.16.10.2 passwd 1:4.2-3.2ubuntu1.16.10.2 uidmap 1:4.2-3.2ubuntu1.16.10.2
Ubuntu 16.04 LTS: login 1:4.2-3.1ubuntu5.3 passwd 1:4.2-3.1ubuntu5.3 uidmap 1:4.2-3.1ubuntu5.3
Ubuntu 14.04 LTS: login 1:4.1.5.1-1ubuntu9.5 passwd 1:4.1.5.1-1ubuntu9.5 uidmap 1:4.1.5.1-1ubuntu9.5
In general, a standard system update will make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-3276-2 http://www.ubuntu.com/usn/usn-3276-1 https://launchpad.net/bugs/1690820
Package Information: https://launchpad.net/ubuntu/+source/shadow/1:4.2-3.2ubuntu1.17.04.2 https://launchpad.net/ubuntu/+source/shadow/1:4.2-3.2ubuntu1.16.10.2 https://launchpad.net/ubuntu/+source/shadow/1:4.2-3.1ubuntu5.3 https://launchpad.net/ubuntu/+source/shadow/1:4.1.5.1-1ubuntu9.5
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