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Ubuntu 20.04: USN-7416-1 moderate: Kamailio Memory Issues

ubuntu
Calendar Grey April 7, 2025
Dist Ubuntu Esm H88
Multiple security weaknesses in Kamailio need prompt updates for Ubuntu versions 20.04, 18.04, and 16.04. Essential patches are now accessible.
Several security issues were fixed in Kamailio.

Summary

Several security issues were fixed in Kamailio.

Software Description:

- kamailio: very fast, dynamic and configurable SIP server

Details:

Stelios Tsampas discovered that Kamailio did not correctly handle certain

memory operations, which could lead to a buffer overflow. A remote attacker

could possibly use this issue to cause a denial of service or execute

arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-2385)

Henning Westerholt discovered that Kamailio did not correctly handle

duplicated headers, which could lead to a segmentation fault. A remote

attacker could possibly use this issue to cause a denial of service or

execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and

Ubuntu 18.04 LTS. (CVE-2018-14767)

It was discovered that Kamailio did not correctly handle parsing certain

headers containing whitespace characters. An authenticated attacker could

possibly use this issue to gain access to unauthorized resources and

expo...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow Ubuntu arbitrary code kamailio

Update Instructions

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

Ubuntu 20.04 LTS
   kamailio                        5.3.2-1ubuntu0.1~esm2
                                   Available with Ubuntu Pro

Ubuntu 18.04 LTS
   kamailio                        5.1.2-1ubuntu2+esm2
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   kamailio                        4.3.4-1.1ubuntu2.1+esm2
                                   Available with Ubuntu Pro

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

References

  https://ubuntu.com/security/notices/USN-7416-1

  CVE-2016-2385, CVE-2018-14767, CVE-2020-28361

Ubuntu Security Notice USN-7416-1

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow Ubuntu arbitrary code kamailio

Package Information

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