Vulnerability CVE-2018-5730
Published: 2018-03-06

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.

Type:

CWE-90

 (Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection'))

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.5/10
4.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux workstation 
MIT -> Kerberos 
Fedoraproject -> Fedora 
Debian -> Debian linux 

 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.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GK5T6JPMBHBPKS7HNGHYUUF4KKRMNSNU/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIFUL3CPM4S5TOXTTOCQ3CUZN6XCXUTR/
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