USN-4616-1

    Dashboard / Vulnerabilities / USN-4616-1

    USN-4616-1

    Published: 3 Nov 2020Last Modified: 22 Apr 2026

    Summary: accountsservice vulnerabilities

    Details: Kevin Backhouse discovered that AccountsService incorrectly dropped privileges. A local user could possibly use this issue to cause AccountsService to crash or hang, resulting in a denial of service. (CVE-2020-16126) Kevin Backhouse discovered that AccountsService incorrectly handled reading .pam_environment files. A local user could possibly use this issue to cause AccountsService to crash or hang, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2020-16127) Matthias Gerstner discovered that AccountsService incorrectly handled certain path checks. A local attacker could possibly use this issue to read arbitrary files. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2018-14036)

    References: https://ubuntu.com/security/notices/USN-4616-1, https://ubuntu.com/security/CVE-2018-14036, https://ubuntu.com/security/CVE-2020-16126, https://ubuntu.com/security/CVE-2020-16127

    Affected packages

    Package

    Name: accountsservice

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.6.40-2ubuntu11.6

    Affected versions

    0.6.40-2ubuntu5
    0.6.40-2ubuntu6
    0.6.40-2ubuntu7
    0.6.40-2ubuntu8
    0.6.40-2ubuntu9
    0.6.40-2ubuntu10
    0.6.40-2ubuntu11
    0.6.40-2ubuntu11.1
    0.6.40-2ubuntu11.2
    0.6.40-2ubuntu11.3

    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
    USN-4616-1 | CVE-DB