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    CVE-2018-5730

    MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to circumvent a DN containership check by supplying both a "linkdn" and "containerdn" database argument, or by supplying a DN string which is a left extension of a container DN string but is not hierarchically within the container DN.

    Published:Mar 1, 2018
    Last Modified:May 5, 2025
    EPS:Mar 6, 2018
    EPSS Score:0.01109
    CVSS Score:3.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Mit
    Product
    Kerberos 5
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-136 LDAP Injection

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    References

    http://www.securitytracker.com/id/1042071
    https://access.redhat.com/errata/RHBA-2019:0327
    https://access.redhat.com/errata/RHSA-2018:3071
    https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869
    https://bugzilla.redhat.com/show_bug.cgi?id=1551082
    https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1
    https://lists.debian.org/debian-lts-announce/2019/01/msg00020.html
    https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GK5T6JPMBHBPKS7HNGHYUUF4KKRMNSNU/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIFUL3CPM4S5TOXTTOCQ3CUZN6XCXUTR/
    http://www.securitytracker.com/id/1042071
    https://access.redhat.com/errata/RHBA-2019:0327
    https://access.redhat.com/errata/RHSA-2018:3071
    https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869
    https://bugzilla.redhat.com/show_bug.cgi?id=1551082
    https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1
    https://lists.debian.org/debian-lts-announce/2019/01/msg00020.html
    https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GK5T6JPMBHBPKS7HNGHYUUF4KKRMNSNU/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIFUL3CPM4S5TOXTTOCQ3CUZN6XCXUTR/

    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