Juniper Junos Next-Gen MVPN Senario Malformed Message Handling Remote DoS (PSN-2011-10-391)

This script is Copyright (C) 2011-2013 Tenable Network Security, Inc.

Synopsis :

The remote router has a denial of service vulnerability.

Description :

According to its self-reported version number, the remote Juniper
router has a denial of service vulnerability. In a Next Generation
MVPN scenario, a kernel memory buffer could get corrupted when the
router receives a bootstrap or auto-RP message larger than 204 bytes,
causing the kernel to crash every time a packet is received.

This issue only occurs in Next-Gen MVPN scenarios that use Ingress
Replication as the P-tunnel type and has Auto-RP or Bootstrap as the
group-to-RP mapping mechanism.

See also :

Solution :

Apply the relevant Junos upgrade referenced in Juniper advisory

Risk factor :

High / CVSS Base Score : 7.1

Family: Junos Local Security Checks

Nessus Plugin ID: 56770 ()

Bugtraq ID:


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