USN-6022-1

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    USN-6022-1

    Published: 14 Apr 2023Last Modified: 25 Jun 2026

    Summary: kamailio vulnerabilities

    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)

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

    Affected packages

    Package

    Name: kamailio

    Purl: pkg:deb/ubuntu/kamailio?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.3.4-1.1ubuntu2.1+esm1

    Affected versions

    4.3.1-2ubuntu1
    4.3.4-1.1ubuntu1
    4.3.4-1.1ubuntu2
    4.3.4-1.1ubuntu2.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High