CVE-2018-5730
published 2018-03-06CVE-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…
PriorityP417low3.8CVSS 3.1
AVNACLPRHUINSUCLILAN
EPSS
2.25%
80.7th percentile
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.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | krb5 | < krb5 1.16.1-1 (bookworm) | krb5 1.16.1-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| mit | kerberos_5 | >= 5-1.6 < 5-1.21.2 | 5-1.21.2 |
| mit | krb5 | >= 0 < 1.16.1-1 | 1.16.1-1 |
| mit | krb5 | >= 0 < 1.16.1-1 | 1.16.1-1 |
| mit | krb5 | >= 0 < 1.16.1-1 | 1.16.1-1 |
| mit | krb5 | >= 0 < 1.16.1-1 | 1.16.1-1 |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_server | — | — |
| redhat | enterprise_linux_workstation | — | — |
CVSS provenance
nvdv3.13.8LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
nvdv2.05.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:N
osv3.8LOW
vendor_debian3.8LOW
vendor_redhat3.8LOW
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Red Hat
krb5: DN container check bypass by supplying special crafted data
vendor_redhat·2018-03-01·CVSS 3.8
CVE-2018-5730 [LOW] CWE-90 krb5: DN container check bypass by supplying special crafted data
krb5: DN container check bypass by supplying special crafted data
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.
Package: krb5 (Red Hat Enterprise Linux 5) - Will not fix
Package: krb5 (Red Hat Enterprise Linux 6) - Will not fix
Package: krb5 (Red Hat Enterprise Linux 8) - Not affected
Package: krb5 (Red Hat JBoss Core Services) - Not affected
Package: krb5 (Red Hat JBoss Enterprise Application Platform 6) - Will not fix
Package: krb5 (Red Hat JBoss Enterprise Web Server 2) - Will not
Debian
CVE-2018-5730: krb5 - MIT krb5 1.6 or later allows an authenticated kadmin with permission to add prin...
vendor_debian·2018·CVSS 3.8
CVE-2018-5730 [LOW] CVE-2018-5730: krb5 - MIT krb5 1.6 or later allows an authenticated kadmin with permission to add prin...
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.
Scope: local
bookworm: resolved (fixed in 1.16.1-1)
bullseye: resolved (fixed in 1.16.1-1)
forky: resolved (fixed in 1.16.1-1)
sid: resolved (fixed in 1.16.1-1)
trixie: resolved (fixed in 1.16.1-1)
GHSA
GHSA-cmm2-4q45-jpgh: MIT krb5 1
ghsa_unreviewed·2022-05-13
CVE-2018-5730 [MEDIUM] CWE-90 GHSA-cmm2-4q45-jpgh: MIT krb5 1
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.
OSV
CVE-2018-5730: MIT krb5 1
osv·2018-03-06·CVSS 3.8
CVE-2018-5730 [LOW] CVE-2018-5730: MIT krb5 1
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-5730 krb5: DN container check bypass by supplying special crafted data
bugzilla·2018-03-02·CVSS 3.8
CVE-2018-5730 [LOW] CVE-2018-5730 krb5: DN container check bypass by supplying special crafted data
CVE-2018-5730 krb5: DN container check bypass by supplying special crafted data
A flaw was found in MIT krb5 1.6 or later, an authenticated kadmin user with permission to add principals to an LDAP Kerberos database can 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.
Reference:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869
Upstream patch:
https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1
Discussion:
Created krb5 tracking bugs for this issue:
Affects: fedora-all [bug 1551087]
---
This is identical to https://bugzilla.redhat.com/show_bug.cgi?id=1535575
---
This is
Bugzilla
CVE-2018-5730 krb5: DN container check bypass by supplying special crafted data [fedora-all]
bugzilla·2018-03-02·CVSS 3.8
CVE-2018-5730 [LOW] CVE-2018-5730 krb5: DN container check bypass by supplying special crafted data [fedora-all]
CVE-2018-5730 krb5: DN container check bypass by supplying special crafted data [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple sup
Bugzilla
CVE-2018-5729, CVE-2018-5730 krb5: null pointer deference in strlen function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c [fedora-all]
bugzilla·2018-01-17·CVSS 4.7
CVE-2018-5729 [MEDIUM] CVE-2018-5729, CVE-2018-5730 krb5: null pointer deference in strlen function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c [fedora-all]
CVE-2018-5729, CVE-2018-5730 krb5: null pointer deference in strlen function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit
http://www.securitytracker.com/id/1042071https://access.redhat.com/errata/RHBA-2019:0327https://access.redhat.com/errata/RHSA-2018:3071https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869https://bugzilla.redhat.com/show_bug.cgi?id=1551082https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1https://lists.debian.org/debian-lts-announce/2019/01/msg00020.htmlhttps://lists.debian.org/debian-lts-announce/2021/09/msg00019.htmlhttps://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/1042071https://access.redhat.com/errata/RHBA-2019:0327https://access.redhat.com/errata/RHSA-2018:3071https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869https://bugzilla.redhat.com/show_bug.cgi?id=1551082https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1https://lists.debian.org/debian-lts-announce/2019/01/msg00020.htmlhttps://lists.debian.org/debian-lts-announce/2021/09/msg00019.htmlhttps://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/
2018-03-06
Published