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CentOS 7 : libndp (CESA-2016:1086)

critical Nessus Plugin ID 91195

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for libndp is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Libndp is a library (used by NetworkManager) that provides a wrapper for the IPv6 Neighbor Discovery Protocol. It also provides a tool named ndptool for sending and receiving NDP messages.

Security Fix(es) :

* 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.
(CVE-2016-3698)

Red Hat would like to thank Julien Bernard (Viagenie) for reporting this issue.

Solution

Update the affected libndp packages.

See Also

http://www.nessus.org/u?6aa1a20d

Plugin Details

Severity: Critical

ID: 91195

File Name: centos_RHSA-2016-1086.nasl

Version: 2.11

Type: local

Agent: unix

Published: 5/18/2016

Updated: 2/18/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2016-3698

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: manual

Vulnerability Information

CPE: cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:libndp-devel, p-cpe:/a:centos:centos:libndp

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 5/17/2016

Vulnerability Publication Date: 6/13/2016

Reference Information

CVE: CVE-2016-3698

RHSA: 2016:1086