[USN-4506-1] MCabber vulnerability

Emilia Torino emilia.torino at canonical.com
Wed Sep 16 17:28:28 UTC 2020

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


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


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.


Package Information:

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