Ubuntu alert USN-6022-1 (kamailio)

From:
             
 
Paulo Flabiano Smorigo <pfsmorigo@canonical.com>
To:
             
 
ubuntu-security-announce@lists.ubuntu.com
Subject:
             
 
[USN-6022-1] Kamailio vulnerabilities
Date:
             
 
Fri, 14 Apr 2023 15:31:45 -0300
Message-ID:
             
 
<20230414183145.fetne6c5v65umegt@morty>
==========================================================================
Ubuntu Security Notice USN-6022-1
April 14, 2023

kamailio vulnerabilities
==========================================================================

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

- Ubuntu 20.04 ESM
- Ubuntu 18.04 ESM
- Ubuntu 16.04 ESM

Summary:

Kamailio could be made to crash or run programs if it received specially
crafted input.

Software Description:
- kamailio: very fast, dynamic and configurable SIP server

Details:

It was discovered that Kamailio did not properly sanitize SIP messages under
certain circumstances. An attacker could use this vulnerability to cause a
denial of service or possibly execute arbitrary code. This issue only affected
Ubuntu 16.04 ESM and 18.04 ESM. (CVE-2018-16657)

It was discovered that Kamailio did not properly validate INVITE requests
under certain circumstances. An attacker could use this vulnerability to
cause a denial of service or possibly execute arbitrary code. (CVE-2020-27507)

Update instructions:

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

Ubuntu 20.04 ESM:
  kamailio                        5.3.2-1ubuntu0.1~esm1

Ubuntu 18.04 ESM:
  kamailio                        5.1.2-1ubuntu2+esm1

Ubuntu 16.04 ESM:
  kamailio                        4.3.4-1.1ubuntu2.1+esm1

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

References:
  https://ubuntu.com/security/notices/USN-6022-1
  CVE-2018-16657, CVE-2020-27507