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CVE-2016-3698

Status Candidate

Overview

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.

Related Files

Debian Security Advisory 3581-1
Posted May 17, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3581-1 - Julien Bernard discovered that libndp, a library for the IPv6 Neighbor Discovery Protocol, does not properly perform input and origin checks during the reception of a NDP message. An attacker in a non-local network could use this flaw to advertise a node as a router, and cause a denial of service attack, or act as a man-in-the-middle.

tags | advisory, denial of service, local, protocol
systems | linux, debian
advisories | CVE-2016-3698
MD5 | 5761cd02ceaef9071416f489034e687a
Red Hat Security Advisory 2016-1086-01
Posted May 17, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1086-01 - Libndp is a library 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: It was found that libndp did not properly validate and check the origin of Neighbor Discovery Protocol 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.

tags | advisory, local, protocol
systems | linux, redhat
advisories | CVE-2016-3698
MD5 | 7a9b9e2abe888f7c5b50778e057847c8
Ubuntu Security Notice USN-2980-1
Posted May 17, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2980-1 - Julien Bernard discovered that libndp incorrectly performed origin checks when receiving Neighbor Discovery Protocol (NDP) messages. A remote attacker outside of the local network could use this issue to advertise a node as a router, causing a denial of service, or possibly to act as a man in the middle.

tags | advisory, remote, denial of service, local, protocol
systems | linux, ubuntu
advisories | CVE-2016-3698
MD5 | 67046211a84a6ebb05742b2bf2b8c591
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