National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-16860 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score matches with CNA score
CNA:  Red Hat, Inc.
Base Score: 7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html
http://seclists.org/fulldisclosure/2019/Aug/11
http://seclists.org/fulldisclosure/2019/Aug/13
http://seclists.org/fulldisclosure/2019/Aug/14
http://seclists.org/fulldisclosure/2019/Aug/15
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16860 Issue Tracking Third Party Advisory
https://seclists.org/bugtraq/2019/Aug/21
https://seclists.org/bugtraq/2019/Aug/22
https://seclists.org/bugtraq/2019/Aug/23
https://seclists.org/bugtraq/2019/Aug/25
https://www.samba.org/samba/security/CVE-2018-16860.html Mitigation Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-358 Improperly Implemented Security Check for Standard NIST   Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
4.8.0
Up to (excluding)
4.8.12
 cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
4.9.0
Up to (excluding)
4.9.8
 cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
4.10.0
Up to (excluding)
4.10.3

Configuration 2 ( hide )
 cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
0.8
Up to (including)
7.5.0


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-16860
NVD Published Date:
07/31/2019
NVD Last Modified:
08/14/2019