CVE-2017-11368

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

09/08/2017

Last modified:

20/04/2025

Description

In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.

Impact

Vector 3.x

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

Base Score: 6.50 MEDIUM
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x

6.50

Severity 3.x

MEDIUM

Vector 2.0

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

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

4.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:fedoraproject:fedora:25:::::::*
cpe:2.3:o:fedoraproject:fedora:26:::::::*
cpe:2.3:a:mit:kerberos:5-1.13.7:::::::*
cpe:2.3:a:mit:kerberos_5:1.7:::::::*
cpe:2.3:a:mit:kerberos_5:1.7.1:::::::*
cpe:2.3:a:mit:kerberos_5:1.8:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.1:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.2:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.3:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.4:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.5:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.6:::::::*
cpe:2.3:a:mit:kerberos_5:1.9:::::::*
cpe:2.3:a:mit:kerberos_5:1.9.1:::::::*
cpe:2.3:a:mit:kerberos_5:1.9.2:::::::*

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

CPE	From	Up to
cpe:2.3:o:fedoraproject:fedora:25:::::::*
cpe:2.3:o:fedoraproject:fedora:26:::::::*
cpe:2.3:a:mit:kerberos:5-1.13.7:::::::*
cpe:2.3:a:mit:kerberos_5:1.7:::::::*
cpe:2.3:a:mit:kerberos_5:1.7.1:::::::*
cpe:2.3:a:mit:kerberos_5:1.8:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.1:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.2:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.3:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.4:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.5:::::::*
cpe:2.3:a:mit:kerberos_5:1.8.6:::::::*
cpe:2.3:a:mit:kerberos_5:1.9:::::::*
cpe:2.3:a:mit:kerberos_5:1.9.1:::::::*
cpe:2.3:a:mit:kerberos_5:1.9.2:::::::*

CVE-2017-11368

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools