CVE-2018-5730

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.

Scores

Weaknesses (CWE)

• CWE-90

European references

• ENISA EUVD · EUVD-2018-17499
• GCVE · GCVE-0-2018-5730

CERT-FR advisories

• CERTFR-2022-AVI-267 — Multiples vulnérabilités dans Juniper Networks Junos Space · cert.ssi.gouv.fr
• CERTFR-2020-AVI-691 — Multiples vulnérabilités dans les produits Juniper · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

• cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* ≥ 5-1.6 < 5-1.21.2
• cpe:2.3:o:fedoraproject:fedora:26:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:27:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

Affected products

References

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

Sources