USN-3950-1: ZNC vulnerability

znc vulnerability

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

• Ubuntu 18.10

Summary

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

Software Description

• 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.

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

• CVE-2019-9917

from Ubuntu Security Notices http://bit.ly/2vdsCM9