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Sicherheit: Mangelnde Prüfung von Umgebungsvariablen in OpenSSH
Aktuelle Meldungen Distributionen
Name: Mangelnde Prüfung von Umgebungsvariablen in OpenSSH
ID: USN-2155-1
Distribution: Ubuntu
Plattformen: Ubuntu 10.04 LTS, Ubuntu 12.04 LTS, Ubuntu 12.10, Ubuntu 13.10
Datum: Di, 25. März 2014, 16:36
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2532
Applikationen: OpenSSH

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==========================================================================
Ubuntu Security Notice USN-2155-1
March 25, 2014

openssh vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

OpenSSH incorrectly handled environment restrictions with wildcards.

Software Description:
- openssh: secure shell (SSH) for secure access to remote machines

Details:

Jann Horn discovered that OpenSSH incorrectly handled wildcards in
AcceptEnv lines. A remote attacker could use this issue to possibly bypass
certain intended environment variable restrictions.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 13.10:
openssh-server 1:6.2p2-6ubuntu0.2

Ubuntu 12.10:
openssh-server 1:6.0p1-3ubuntu1.1

Ubuntu 12.04 LTS:
openssh-server 1:5.9p1-5ubuntu1.2

Ubuntu 10.04 LTS:
openssh-server 1:5.3p1-3ubuntu7.1

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2155-1
CVE-2014-2532

Package Information:
https://launchpad.net/ubuntu/+source/openssh/1:6.2p2-6ubuntu0.2
https://launchpad.net/ubuntu/+source/openssh/1:6.0p1-3ubuntu1.1
https://launchpad.net/ubuntu/+source/openssh/1:5.9p1-5ubuntu1.2
https://launchpad.net/ubuntu/+source/openssh/1:5.3p1-3ubuntu7.1



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