F5F5:K35340595K35340595 : Kerberos vulnerability CVE-2016-3120
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.2 Medium
AI Score
Confidence
High
4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
0.049 Low
EPSS
Percentile
92.0%
Security Advisory Description
The validate_as_request function in kdc_util.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.13.6 and 1.4.x before 1.14.3, when restrict_anonymous_to_tgt is enabled, uses an incorrect client data structure, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an S4U2Self request.(CVE-2016-3120)
Impact
There is no impact; F5 products are not affected by this vulnerability.
| CPE | Name | Operator | Version |
|---|---|---|---|
| big-ip afm | eq | 11.4.0 | |
| big-ip afm | eq | 11.4.1 | |
| big-ip afm | eq | 11.5.0 | |
| big-ip afm | eq | 11.5.1 | |
| big-ip afm | eq | 11.5.2 | |
| big-ip afm | eq | 11.5.3 | |
| big-ip afm | eq | 11.5.4 | |
| big-ip afm | eq | 11.6.0 | |
| big-ip afm | eq | 11.6.1 | |
| big-ip afm | eq | 12.0.0 |
Related
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.2 Medium
AI Score
Confidence
High
4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
0.049 Low
EPSS
Percentile
92.0%