CVE-2018-16860
ctdb: A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excludin...
CVE-2018-16860 is fixed in 39 products on 1 platform, first by ctdb 2:4.7.6+dfsg~ubuntu-0ubuntu2.10, released May 13, 2019. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0249
84th percentile
A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ctdb · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | ctdb 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| heimdal-clients · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | heimdal-clients 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| heimdal-docs · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | heimdal-docs 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| heimdal-kcm · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | heimdal-kcm 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| heimdal-kdc · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | heimdal-kdc 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| heimdal-multidev · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | heimdal-multidev 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| heimdal-servers · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | heimdal-servers 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libasn1-8-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libasn1-8-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libgssapi3-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libgssapi3-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libhcrypto4-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libhcrypto4-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libhdb9-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libhdb9-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libheimbase1-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libheimbase1-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libheimntlm0-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libheimntlm0-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libhx509-5-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libhx509-5-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libkadm5clnt7-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libkadm5clnt7-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libkadm5srv8-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libkadm5srv8-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libkafs0-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libkafs0-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libkdc2-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libkdc2-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libkrb5-26-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libkrb5-26-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libnss-winbind · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | libnss-winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| libotp0-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libotp0-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libpam-winbind · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | libpam-winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| libparse-pidl-perl · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | libparse-pidl-perl 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| libroken18-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libroken18-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libsl0-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libsl0-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| libsmbclient · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | libsmbclient 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| libwbclient0 · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | libwbclient0 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| libwind0-heimdal · Ubuntu 18.04.6 LTS (bionic) | 7.5.0+dfsg-1ubuntu0.1 | libwind0-heimdal 7.5.0+dfsg-1ubuntu0.1 | Oct 6, 2022 |
| python-samba · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | python-samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| registry-tools · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | registry-tools 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| samba · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| samba-common · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | samba-common 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| samba-common-bin · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | samba-common-bin 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| samba-dsdb-modules · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | samba-dsdb-modules 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| samba-libs · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | samba-libs 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| samba-testsuite · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | samba-testsuite 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| samba-vfs-modules · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | samba-vfs-modules 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| smbclient · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | smbclient 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
| winbind · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | May 13, 2019 |
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