CVE-2018-16860

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

31/07/2019

Last modified:

14/08/2019

Description

A flaw was found in samba&#39;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.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:M/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.00 MEDIUM
Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

6.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:samba:samba::::::::	4.8.0 (including)	4.8.12 (excluding)
cpe:2.3:a:samba:samba::::::::	4.9.0 (including)	4.9.8 (excluding)
cpe:2.3:a:samba:samba::::::::	4.10.0 (including)	4.10.3 (excluding)
cpe:2.3:a:heimdal_project:heimdal::::::::	0.8 (including)	7.5.0 (including)

To consult the complete list of CPE names with products and versions, see this page

CVE-2018-16860

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools