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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
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.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: The NVD and the CNA have provided the same score. When this occurs only the CNA information is displayed, but the Acceptance Level icon for the CNA is given a checkmark to signify NVD concurrence.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
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OR
*cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:* versions from (including) 0.8 up to (including) 7.5.0
Added
CPE Configuration
OR
*cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.8.0 up to (excluding) 4.8.12
*cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.9.0 up to (excluding) 4.9.8
*cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.10.0 up to (excluding) 4.10.3
Added
CVSS V2
(AV:N/AC:M/Au:S/C:P/I:P/A:P)
Added
CVSS V3
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Added
CWE
CWE-358
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16860 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16860 Issue Tracking, Third Party Advisory
Changed
Reference Type
https://www.samba.org/samba/security/CVE-2018-16860.html No Types Assigned