UBUNTU-CVE-2022-45141

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    UBUNTU-CVE-2022-45141

    Published: 16 Dec 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-45141
    Aliases:
    USN-5822-1
    USN-5822-2
    USN-5936-1

    Summary:

    Details: Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak, Vulnerable Samba Active Directory DCs will issue rc4-hmac encrypted tickets despite the target server supporting better encryption (eg aes256-cts-hmac-sha1-96).

    References: https://ubuntu.com/security/CVE-2022-45141, https://www.samba.org/samba/security/CVE-2022-45141.html, https://ubuntu.com/security/notices/USN-5822-1, https://ubuntu.com/security/notices/USN-5822-2, https://ubuntu.com/security/notices/USN-5936-1, https://www.cve.org/CVERecord?id=CVE-2022-45141, https://ubuntu.com/security/notices/USN-7582-1

    Affected packages

    Package

    Name: samba

    Purl: pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.16.04.34+esm2?arch=source&distro=esm-infra/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:4.3.11+dfsg-0ubuntu0.16.04.34+esm2

    Affected versions

    2:4.1.17+dfsg-4ubuntu2
    2:4.1.20+dfsg-1ubuntu1
    2:4.1.20+dfsg-1ubuntu2
    2:4.1.20+dfsg-1ubuntu3
    2:4.1.20+dfsg-1ubuntu5

    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-2022-45141 | CVE-DB