# CVE-2018-5730: krb5-admin-server: MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database t... CVE-2018-5730 is fixed in 20 products on 1 platform, first by krb5-admin-server 1.16-2ubuntu0.1, released March 6, 2018. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2018-5730 - Priority: Routine - CVSS: n/a (Low) - EPSS: 0.0224 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Mar 6, 2018 ## 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. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | krb5-admin-server Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [krb5-admin-server 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-krb5-admin-server-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | krb5-gss-samples Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [krb5-gss-samples 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-krb5-gss-samples-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | krb5-k5tls Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [krb5-k5tls 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-krb5-k5tls-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | krb5-kdc Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [krb5-kdc 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-krb5-kdc-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | krb5-kdc-ldap Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [krb5-kdc-ldap 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-krb5-kdc-ldap-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | krb5-kpropd Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [krb5-kpropd 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-krb5-kpropd-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | krb5-locales Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [krb5-locales 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-krb5-locales-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | krb5-multidev Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [krb5-multidev 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-krb5-multidev-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | krb5-otp Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [krb5-otp 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-krb5-otp-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | krb5-pkinit Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [krb5-pkinit 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-krb5-pkinit-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | krb5-user Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [krb5-user 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-krb5-user-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | libgssapi-krb5-2 Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [libgssapi-krb5-2 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgssapi-krb5-2-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | libgssrpc4 Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [libgssrpc4 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgssrpc4-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | libk5crypto3 Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [libk5crypto3 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libk5crypto3-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | libkadm5clnt-mit11 Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [libkadm5clnt-mit11 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libkadm5clnt-mit11-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | libkadm5srv-mit11 Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [libkadm5srv-mit11 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libkadm5srv-mit11-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | libkdb5-9 Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [libkdb5-9 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libkdb5-9-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | libkrad0 Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [libkrad0 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libkrad0-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | libkrb5-3 Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [libkrb5-3 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libkrb5-3-1.16-2ubuntu0.1.md) | Mar 6, 2018 | | Linux | libkrb5support0 Ubuntu 18.04.6 LTS (bionic) | 1.16-2ubuntu0.1 | [libkrb5support0 1.16-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libkrb5support0-1.16-2ubuntu0.1.md) | Mar 6, 2018 | --- Data as of 2026-11-07T18:46:35Z UTC. 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