| From: |
| Steve Beattie <sbeattie@ubuntu.com> |
| To: |
| ubuntu-security-announce@lists.ubuntu.com |
| Subject: |
| [USN-1541-1] libotr vulnerability |
| Date: |
| Thu, 16 Aug 2012 12:12:01 -0700 |
| Message-ID: |
| <20120816191201.GA11004@nxnw.org> |
| Archive-link: |
| Article, Thread
|
==========================================================================
Ubuntu Security Notice USN-1541-1
August 16, 2012
libotr vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
Summary:
Applications using Off-the-Record messaging plugins could be made
to crash or run programs if it received specially crafted network
messages.
Software Description:
- libotr: Off-the-Record Messaging library
Details:
Justin Ferguson discovered multiple heap overflows in libotr. A remote
attacker could use this to craft a malformed OTR message that could
cause a denial of service via application crash or possibly execute
arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
libotr2 3.2.0-4ubuntu0.1
Ubuntu 11.10:
libotr2 3.2.0-2.1ubuntu0.1
Ubuntu 11.04:
libotr2 3.2.0-2ubuntu1.1
Ubuntu 10.04 LTS:
libotr2 3.2.0-2ubuntu0.1
After a standard system update you need to restart any instant
messaging applications using an Off-the-Record messaging plugin to
make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1541-1
CVE-2012-3461
Package Information:
https://launchpad.net/ubuntu/+source/libotr/3.2.0-4ubuntu...
https://launchpad.net/ubuntu/+source/libotr/3.2.0-2.1ubun...
https://launchpad.net/ubuntu/+source/libotr/3.2.0-2ubuntu...
https://launchpad.net/ubuntu/+source/libotr/3.2.0-2ubuntu...
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