F5F5:K17515K17515 : NTP vulnerability CVE-2015-7855
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.4 High
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
0.971 High
EPSS
Percentile
99.7%
Security Advisory Description
The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value. (CVE-2015-7855)
Impact
A locally authenticated user may be able to disrupt ntpdfunctionality with a specially crafted packet.
| CPE | Name | Operator | Version |
|---|---|---|---|
| big-ip afm | eq | 11.3.0 | |
| 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 |
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.4 High
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
0.971 High
EPSS
Percentile
99.7%