==========================================================================
Ubuntu Security Notice USN-6336-1
September 05, 2023

docker-registry vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.04
- Ubuntu 22.04 LTS (Available with Ubuntu Pro)
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

Docker Registry could be made to crash if it received specially crafted
input.

Software Description:
- docker-registry: Docker toolset to pack, ship, store, and deliver content

Details:

It was discovered that Docker Registry incorrectly handled certain crafted
input, A remote attacker could possibly use this issue to cause a denial
of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2017-11468)

It was discovered that Docker Registry incorrectly handled certain crafted
input. An attacker could possibly use this issue to cause a denial of
service. (CVE-2023-2253)

Update instructions:

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

Ubuntu 23.04:
   docker-registry                 2.8.1+ds1-2ubuntu1.1

Ubuntu 22.04 LTS (Available with Ubuntu Pro):
   docker-registry                 2.8.0+ds1-4ubuntu0.1~esm2

Ubuntu 20.04 LTS:
   docker-registry                 2.7.1+ds2-7ubuntu0.3

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
   docker-registry                 2.6.2~ds1-1ubuntu0.1~esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   docker-registry                 2.3.0~ds1-1ubuntu0.1~esm1

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

References:
   https://ubuntu.com/security/notices/USN-6336-1
   CVE-2017-11468, CVE-2023-2253

Package Information:
   https://launchpad.net/ubuntu/+source/docker-registry/2.8.1+ds1-2ubuntu1.1
   https://launchpad.net/ubuntu/+source/docker-registry/2.7.1+ds2-7ubuntu0.3