8.1
HIGH
CVE-2016-3698
NetworkManager libndp Man-in-the-Middle Denial of Service
Description

libndp before 1.6, as used in NetworkManager, does not properly validate the origin of Neighbor Discovery Protocol (NDP) messages, which allows remote attackers to conduct man-in-the-middle attacks or cause a denial of service (network connectivity disruption) by advertising a node as a router from a non-local network.

INFO

Published Date :

June 13, 2016, 7:59 p.m.

Last Modified :

Feb. 12, 2023, 11:18 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2016-3698 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat enterprise_linux_server_aus
5 Redhat enterprise_linux_server_eus
6 Redhat enterprise_linux_hpc_node
7 Redhat enterprise_linux_hpc_node_eus
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Libndp libndp

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-3698 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-3698 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 12, 2023

    Action Type Old Value New Value
    Changed Description It was found that libndp did not properly validate and check the origin of Neighbor Discovery Protocol (NDP) messages. An attacker on a non-local network could use this flaw to advertise a node as a router, allowing them to perform man-in-the-middle attacks on a connecting client, or disrupt the network connectivity of that client. libndp before 1.6, as used in NetworkManager, does not properly validate the origin of Neighbor Discovery Protocol (NDP) messages, which allows remote attackers to conduct man-in-the-middle attacks or cause a denial of service (network connectivity disruption) by advertising a node as a router from a non-local network.
    Removed CVSS V2 Red Hat, Inc. (AV:A/AC:M/Au:N/C:P/I:P/A:P)
    Removed Reference https://access.redhat.com/errata/RHSA-2016:1086 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2016-3698 [No Types Assigned]
    Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1329366 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description libndp before 1.6, as used in NetworkManager, does not properly validate the origin of Neighbor Discovery Protocol (NDP) messages, which allows remote attackers to conduct man-in-the-middle attacks or cause a denial of service (network connectivity disruption) by advertising a node as a router from a non-local network. It was found that libndp did not properly validate and check the origin of Neighbor Discovery Protocol (NDP) messages. An attacker on a non-local network could use this flaw to advertise a node as a router, allowing them to perform man-in-the-middle attacks on a connecting client, or disrupt the network connectivity of that client.
    Added CVSS V2 Red Hat, Inc. (AV:A/AC:M/Au:N/C:P/I:P/A:P)
    Added Reference https://access.redhat.com/security/cve/CVE-2016-3698 [No Types Assigned]
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1329366 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2016:1086 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 04, 2016

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
  • Modified Analysis by [email protected]

    Jun. 14, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:libndp:libndp:1.5:*:*:*:*:*:*:* (and previous) Configuration 3 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Configuration 4 OR *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-284
  • Initial Analysis by [email protected]

    Jun. 14, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-3698 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.16 }} 0.24%

score

0.87924

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability