1. Ubuntu Security Notices
  2. USN-4594-1

USN-4594-1: Quassel vulnerabilities

Publication date

20 October 2020

Overview

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

Releases

Packages

  • quassel - distributed IRC client - monolithic core+client

Details

It was discovered that Quassel incorrectly handled Qdatastream protocol. A
remote attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-1000178)

It was discovered that Quassel incorrectly handled certain login requests.
A remote attacker could possibly use this issue to cause a denial of
service. (CVE-2018-1000179)

It was discovered that Quassel incorrectly handled Qdatastream protocol. A
remote attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-1000178)

It was discovered that Quassel incorrectly handled certain login requests.
A remote attacker could possibly use this issue to cause a denial of
service. (CVE-2018-1000179)

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
18.04 bionic quassel –  1:0.12.4-3ubuntu1.18.04.3
quassel-core –  1:0.12.4-3ubuntu1.18.04.3

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References

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