USN-4720-1

    Dashboard / Vulnerabilities / USN-4720-1

    USN-4720-1

    Published: 2 Feb 2021Last Modified: 10 Feb 2026

    Summary: apport vulnerabilities

    Details: Itai Greenhut discovered that Apport incorrectly parsed certain files in the /proc filesystem. A local attacker could use this issue to escalate privileges and run arbitrary code. (CVE-2021-25682, CVE-2021-25683) Itai Greenhut discovered that Apport incorrectly handled opening certain special files. A local attacker could possibly use this issue to cause Apport to hang, resulting in a denial of service. (CVE-2021-25684)

    References: https://ubuntu.com/security/notices/USN-4720-1, https://ubuntu.com/security/CVE-2021-25682, https://ubuntu.com/security/CVE-2021-25683, https://ubuntu.com/security/CVE-2021-25684

    Affected packages

    Package

    Name: apport

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.20.1-0ubuntu2.30

    Affected versions

    2.19.1-0ubuntu3
    2.19.2-0ubuntu1
    2.19.2-0ubuntu2
    2.19.2-0ubuntu3
    2.19.2-0ubuntu4
    2.19.2-0ubuntu5
    2.19.2-0ubuntu6
    2.19.2-0ubuntu8
    2.19.2-0ubuntu9
    2.19.3-0ubuntu1
    2.19.3-0ubuntu2
    2.19.3-0ubuntu3
    2.19.4-0ubuntu1
    2.19.4-0ubuntu2

    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-4720-1 | CVE-DB