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CVE-2018-16860

CVE information

Published

4 years ago

Last Modified

4 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

High

Impact Analysis

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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..

CVSSv2.0 Score

Severity
Medium
Base Score
6/10
Exploit Score
6.8/10
Access Vector
Network
Access Complexity
Medium
Authentication Required
Single
Impact Score
6.4/10
Confidentiality Impact
Partial
Availability Impact
Partial
Integrity Impact
Partial

CVSSv3.1 Score

Severity
High
Base Score
7.5/10
Exploit Score
1.6/10
Access Vector
Network
Access Complexity
High
Privileges Required
Low
Impact Score
5.9/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
  Yes
4.10.0 4.10.3
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
  Yes
4.8.0 4.8.12
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
  Yes
4.9.0 4.9.8
cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*
  Yes
0.8 -

References