UBUNTU-CVE-2017-11368

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    UBUNTU-CVE-2017-11368

    Published: 9 Aug 2017Last Modified: 22 Apr 2026
    Upstream:
    CVE-2017-11368

    Summary:

    Details: In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.

    References: https://ubuntu.com/security/CVE-2017-11368, https://github.com/krb5/krb5/pull/678/files, https://www.cve.org/CVERecord?id=CVE-2017-11368

    Affected packages

    Package

    Name: krb5

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-2ubuntu5.4?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.12+dfsg-2ubuntu5.4

    Affected versions

    1.10.1+dfsg-6.1ubuntu1

    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