[USN-3950-1] ZNC vulnerability

Paulo Flabiano Smorigo pfsmorigo at canonical.com
Thu Apr 18 21:08:21 UTC 2019

Ubuntu Security Notice USN-3950-1
April 18, 2019

znc vulnerability

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

- Ubuntu 18.10


ZNC could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
- znc: advanced modular IRC bouncer


It was discovered that ZNC incorrectly handled certain invalid encodings.
An authenticated remote user could use this issue to cause ZNC to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 18.10:
  znc                             1.7.1-2ubuntu0.1

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


Package Information:
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