1. Ubuntu Security Notices
  2. USN-4405-1

USN-4405-1: GLib Networking vulnerability

Publication date

29 June 2020

Overview

Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.

Releases

Packages

Details

It was discovered that glib-networking skipped hostname certificate
verification if the application failed to specify the server
identity. A remote attacker could use this to perform a
person-in-the-middle attack and expose sensitive information.

It was discovered that glib-networking skipped hostname certificate
verification if the application failed to specify the server
identity. A remote attacker could use this to perform a
person-in-the-middle attack and expose sensitive information.

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
20.04 focal glib-networking –  2.64.2-1ubuntu0.1
19.10 eoan glib-networking –  2.62.1-1ubuntu0.1
18.04 bionic glib-networking –  2.56.0-1ubuntu0.1
16.04 xenial glib-networking –  2.48.2-1~ubuntu16.04.2

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References

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