Ubuntu Security Notice USN-6022-1 – Torchsec
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
Gloss