1. Ubuntu Security Notices
  2. USN-4044-1

USN-4044-1: ZNC vulnerability

Publication date

1 July 2019

Overview

znc could be made to crash or run programs as an administrator if it opened a specially crafted file.

Releases

Packages

  • znc - advanced modular IRC bouncer

Details

Fix vulnerability where an authenticated non-admin users could load
a module with a crafted name, then escalate privileges and run
arbitrary code.

Fix vulnerability where an authenticated non-admin users could load
a module with a crafted name, then escalate privileges and run
arbitrary code.

Update instructions

After a standard system update you need to restart znc to 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
19.04 disco znc –  1.7.2-2ubuntu0.1
18.10 cosmic znc –  1.7.1-2ubuntu0.2
18.04 bionic znc –  1.6.6-1ubuntu0.2
16.04 xenial znc –  1.6.3-1ubuntu0.2

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References

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