[USN-6830-1] libndp vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-6830-1
June 12, 2024

libndp vulnerability
==========================================================================

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

- Ubuntu 24.04 LTS
- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

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

Software Description:
- libndp: Library for Neighbor Discovery Protocol

Details:

It was discovered that libndp incorrectly handled certain malformed IPv6
router advertisement packets. A local attacker could use this issue to
cause NetworkManager to crash, resulting in a denial of service, or
possibly execute arbitrary code.

Update instructions:

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

Ubuntu 24.04 LTS
   libndp0                         1.8-1fakesync1ubuntu0.24.04.1

Ubuntu 23.10
   libndp0                         1.8-1fakesync1ubuntu0.23.10.1

Ubuntu 22.04 LTS
   libndp0                         1.8-0ubuntu3.1

Ubuntu 20.04 LTS
   libndp0                         1.7-0ubuntu1.1

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-6830-1
   CVE-2024-5564

Package Information:
   https://launchpad.net/ubuntu/+source/libndp/1.8-1fakesync1ubuntu0.24.04.1
   https://launchpad.net/ubuntu/+source/libndp/1.8-1fakesync1ubuntu0.23.10.1
   https://launchpad.net/ubuntu/+source/libndp/1.8-0ubuntu3.1
   https://launchpad.net/ubuntu/+source/libndp/1.7-0ubuntu1.1

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