ubuntu-security-announce Digest, Vol 114, Issue 15

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Today's Topics:

1. [USN-2155-1] OpenSSH vulnerability (Marc Deslauriers)


----------------------------------------------------------------------

Message: 1
Date: Tue, 25 Mar 2014 11:17:47 -0400
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2155-1] OpenSSH vulnerability
Message-ID: <53319E1B.5090402@canonical.com>
Content-Type: text/plain; charset="utf-8"

==========================================================================
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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End of ubuntu-security-announce Digest, Vol 114, Issue 15
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