Vulnerability Description
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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mit | Kerberos 5 | >= 5-1.6, < 5-1.21.2 |
| Fedoraproject | Fedora | 26 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id/1042071Broken LinkThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3071Third Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1551082Issue TrackingPatchThird Party Advisory
- https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00020.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00019.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- http://www.securitytracker.com/id/1042071Broken LinkThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3071Third Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1551082Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2018-5730?
CVE-2018-5730 is a vulnerability with a CVSS score of 3.8 (LOW). 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...
How severe is CVE-2018-5730?
CVE-2018-5730 has been rated LOW with a CVSS base score of 3.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-5730?
Check the references section above for vendor advisories and patch information. Affected products include: Mit Kerberos 5, Fedoraproject Fedora, Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server.