1. Ubuntu Security Notices
  2. USN-3950-1

USN-3950-1: ZNC vulnerability

Publication date

18 April 2019

Overview

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

Releases

Packages

  • znc - advanced modular IRC bouncer

Details

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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.10 cosmic znc –  1.7.1-2ubuntu0.1

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References

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