==========================================================================
Ubuntu Security Notice USN-7141-1
December 09, 2024

ofono vulnerabilities
==========================================================================

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

- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in oFono.

Software Description:
- ofono: Mobile telephony stack

Details:

It was discovered that oFono incorrectly handled decoding SMS messages
leading to a stack overflow. A remote attacker could potentially use
this issue to cause a denial of service.
(CVE-2023-2794, CVE-2023-4233, CVE-2023-4234)

Update instructions:

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

Ubuntu 24.10
  ofono                           1.31-3ubuntu3.24.10.1

Ubuntu 24.04 LTS
  ofono                           1.31-3ubuntu3.24.04.1

Ubuntu 22.04 LTS
  ofono                           1.31-3ubuntu1.1

Ubuntu 20.04 LTS
  ofono                           1.31-2ubuntu1+esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  ofono                           1.21-1ubuntu1+esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  ofono 1.17.bzr6912+16.04.20160314.3-0ubuntu1+esm1
                                  Available with Ubuntu Pro

After a standard system update you need to restart oFono to make
all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7141-1
  CVE-2023-2794, CVE-2023-4233, CVE-2023-4234

Package Information:
  https://launchpad.net/ubuntu/+source/ofono/1.31-3ubuntu3.24.10.1
  https://launchpad.net/ubuntu/+source/ofono/1.31-3ubuntu3.24.04.1
  https://launchpad.net/ubuntu/+source/ofono/1.31-3ubuntu1.1