Juniper Junos ICMP Ping 'composite next-hop' Remote DoS (PSN-2011-07-297)

High Nessus Plugin ID 55937

Synopsis

The remote router has a denial of service vulnerability.

Description

According to its self-reported version number, the remote Juniper router is running a version of Junos that is affected by a denial of service vulnerability. Sending an ICMP ping with the record-route or timestamp options can crash an L3VPN PE router with either of the following configurations :

- Point-to-Multipoint LSPs that are used as next hops in configuration of static routes to customers' networks

- The 'l3vpn-composite-nexthop' and 'indirect-next-hop' routing-options are enabled

A remote, unauthenticated attacker could exploit this to crash the router.

Solution

Apply the relevant Junos upgrade referenced in Juniper advisory PSN-2011-07-297.

See Also

http://www.nessus.org/u?22669bdd

Plugin Details

Severity: High

ID: 55937

File Name: juniper_psn-2011-07-297.nasl

Version: 1.9

Type: combined

Published: 2011/08/22

Updated: 2018/08/10

Dependencies: 55932

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

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

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/model, Host/Juniper/JUNOS/Version

Patch Publication Date: 2011/07/13

Vulnerability Publication Date: 2011/07/13