mcabber: Reduced Security -- Remote/Unauthenticated

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.3172
                     USN-4506-1: MCabber vulnerability
                             17 September 2020

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           mcabber
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Reduced Security -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-9928  

Reference:         ESB-2020.2221

Original Bulletin: 
   https://usn.ubuntu.com/4506-1/

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USN-4506-1: MCabber vulnerability
16 September 2020

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

  o Ubuntu 16.04 LTS

Packages

  o 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

  o mcabber - 0.10.2-1+deb8u1build0.16.04.1

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

References

  o CVE-2016-9928

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