A Sofia-SIP security update has been released for Ubuntu Linux 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, 23.04, and 23.10.

[USN-6448-1] Sofia-SIP vulnerability

==========================================================================
Ubuntu Security Notice USN-6448-1
October 24, 2023

sofia-sip vulnerability
==========================================================================

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

- Ubuntu 23.10
- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

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

Software Description:
- sofia-sip: Sofia-SIP library development files

Details:

Xu Biang discovered that Sofia-SIP did not properly manage memory when
handling STUN packets. An attacker could use this issue to cause
Sofia-SIP 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 23.10:
libsofia-sip-ua-glib3 1.12.11+20110422.1+1e14eea~dfsg-4ubuntu1.23.10.1
libsofia-sip-ua0 1.12.11+20110422.1+1e14eea~dfsg-4ubuntu1.23.10.1
sofia-sip-bin 1.12.11+20110422.1+1e14eea~dfsg-4ubuntu1.23.10.1

Ubuntu 23.04:
libsofia-sip-ua-glib3 1.12.11+20110422.1+1e14eea~dfsg-4ubuntu1.23.04.1
libsofia-sip-ua0 1.12.11+20110422.1+1e14eea~dfsg-4ubuntu1.23.04.1
sofia-sip-bin 1.12.11+20110422.1+1e14eea~dfsg-4ubuntu1.23.04.1

Ubuntu 22.04 LTS:
libsofia-sip-ua-glib3 1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.2
libsofia-sip-ua0 1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.2
sofia-sip-bin 1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.2

Ubuntu 20.04 LTS:
libsofia-sip-ua-glib3 1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.2
libsofia-sip-ua0 1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.2
sofia-sip-bin 1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.2

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
libsofia-sip-ua-glib3 1.12.11+20110422.1-2.1+deb10u3ubuntu0.18.04.1~esm1
libsofia-sip-ua0 1.12.11+20110422.1-2.1+deb10u3ubuntu0.18.04.1~esm1
sofia-sip-bin 1.12.11+20110422.1-2.1+deb10u3ubuntu0.18.04.1~esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
libsofia-sip-ua-glib3 1.12.11+20110422.1-2.1+deb10u3ubuntu0.16.04.1~esm2
libsofia-sip-ua0 1.12.11+20110422.1-2.1+deb10u3ubuntu0.16.04.1~esm2
sofia-sip-bin 1.12.11+20110422.1-2.1+deb10u3ubuntu0.16.04.1~esm2

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

References:
https://ubuntu.com/security/notices/USN-6448-1
CVE-2023-32307

Package Information:
https://launchpad.net/ubuntu/+source/sofia-sip/1.12.11+20110422.1+1e14eea~dfsg-4ubuntu1.23.10.1
https://launchpad.net/ubuntu/+source/sofia-sip/1.12.11+20110422.1+1e14eea~dfsg-4ubuntu1.23.04.1
https://launchpad.net/ubuntu/+source/sofia-sip/1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.2
https://launchpad.net/ubuntu/+source/sofia-sip/1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.2