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USN-6022-1: Kamailio vulnerabilities

14 April 2023

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

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Releases

Packages

  • 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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

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

References

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Further reading