UBUNTU-CVE-2022-2031

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    UBUNTU-CVE-2022-2031

    Published: 27 Jul 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-2031
    Aliases:
    USN-5542-1

    Summary:

    Details: A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their password, can exploit this flaw to obtain and use tickets to other services.

    References: https://ubuntu.com/security/CVE-2022-2031, https://www.samba.org/samba/security/CVE-2022-2031.html, https://ubuntu.com/security/notices/USN-5542-1, https://www.cve.org/CVERecord?id=CVE-2022-2031

    Affected packages

    Package

    Name: samba

    Purl: pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15?arch=source&distro=esm-infra-legacy/trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2:3.6.18-1ubuntu3

    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
    UBUNTU-CVE-2022-2031 | CVE-DB