USN-3950-1: ZNC vulnerability

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
znc1.7.1-2ubuntu0.1

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

Source: USN-3950-1: ZNC vulnerability

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