USN-4405-1: GLib Networking vulnerability

29 June 2020

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

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04
Ubuntu 19.10
Ubuntu 18.04
Ubuntu 16.04

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

References

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Further reading