Ubuntu alert USN-4506-1 (mcabber)

From:
             
 
Emilia Torino <emilia.torino@canonical.com>
To:
             
 
ubuntu-security-announce@lists.ubuntu.com
Subject:
             
 
[USN-4506-1] MCabber vulnerability
Date:
             
 
Wed, 16 Sep 2020 14:28:28 -0300
Message-ID:
             
 
<ded11c3b-8621-5bc7-5fad-49078d63d5b4@canonical.com>
==========================================================================
Ubuntu Security Notice USN-4506-1
September 16, 2020

mcabber vulnerability
==========================================================================

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

- Ubuntu 16.04 LTS

Summary:

MCabber could be made to modify the roster and intercept messages if it
received specially crafted XMPP packets.

Software Description:
- mcabber: small Jabber (XMPP) console client

Details:

It was discovered that MCabber does not properly manage roster pushes. An
attacker could possibly use this issue to remotely perform
man-in-the-middle attacks. (CVE-2016-9928).

Update instructions:

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

Ubuntu 16.04 LTS:
  mcabber                         0.10.2-1+deb8u1build0.16.04.1

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

References:
  https://usn.ubuntu.com/4506-1
  CVE-2016-9928

Package Information:
  https://launchpad.net/ubuntu/+source/mcabber/0.10.2-1+deb...

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