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Ubuntu Security Notice USN-4405-1

Ubuntu Security Notice USN-4405-1
Posted Jun 29, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4405-1 - 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.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2020-13645
MD5 | 6edb27c788594a3ac9c50a84a2ab6977

Ubuntu Security Notice USN-4405-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4405-1
June 29, 2020

glib-networking vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

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

Software Description:
- glib-networking: Network extensions for GLib

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.

Update instructions:

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

Ubuntu 20.04 LTS:
glib-networking 2.64.2-1ubuntu0.1

Ubuntu 19.10:
glib-networking 2.62.1-1ubuntu0.1

Ubuntu 18.04 LTS:
glib-networking 2.56.0-1ubuntu0.1

Ubuntu 16.04 LTS:
glib-networking 2.48.2-1~ubuntu16.04.2

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

References:
https://usn.ubuntu.com/4405-1
CVE-2020-13645

Package Information:
https://launchpad.net/ubuntu/+source/glib-networking/2.64.2-1ubuntu0.1
https://launchpad.net/ubuntu/+source/glib-networking/2.62.1-1ubuntu0.1
https://launchpad.net/ubuntu/+source/glib-networking/2.56.0-1ubuntu0.1
https://launchpad.net/ubuntu/+source/glib-networking/2.48.2-1~ubuntu16.04.2
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