| From: |
| Marc Deslauriers <marc.deslauriers@canonical.com> |
| To: |
| ubuntu-security-announce@lists.ubuntu.com |
| Subject: |
| [USN-1707-1] libssh vulnerability |
| Date: |
| Mon, 28 Jan 2013 12:49:46 -0500 |
| Message-ID: |
| <5106BA3A.7050003@canonical.com> |
| Archive-link: |
| Article, Thread
|
==========================================================================
Ubuntu Security Notice USN-1707-1
January 28, 2013
libssh vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS
Summary:
libssh could be made to crash if it received specially crafted network
traffic.
Software Description:
- libssh: A tiny C SSH library
Details:
Yong Chuan Koh discovered that libssh incorrectly handled certain
negotiation requests. A remote attacker could use this to cause libssh to
crash, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.10:
libssh-4 0.5.2-1ubuntu0.12.10.2
Ubuntu 12.04 LTS:
libssh-4 0.5.2-1ubuntu0.12.04.2
Ubuntu 11.10:
libssh-4 0.5.2-1ubuntu0.11.10.2
Ubuntu 10.04 LTS:
libssh-4 0.4.2-1ubuntu1.2
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1707-1
CVE-2013-0176
Package Information:
https://launchpad.net/ubuntu/+source/libssh/0.5.2-1ubuntu...
https://launchpad.net/ubuntu/+source/libssh/0.5.2-1ubuntu...
https://launchpad.net/ubuntu/+source/libssh/0.5.2-1ubuntu...
https://launchpad.net/ubuntu/+source/libssh/0.4.2-1ubuntu1.2
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