CVE-2018-5730
LOW severity · CVSS 3.8 · CWE-90
3.8CVSS LOW
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)2%
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://bugzilla.redhat.com/show_bug.cgi?id=1551082 ↗
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=1551082Patch
- https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1Patch
- http://www.securitytracker.com/id/1042071Advisory
- https://access.redhat.com/errata/RHBA-2019:0327Advisory
- https://access.redhat.com/errata/RHSA-2018:3071Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00020.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00019.htmlAdvisory