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Juniper Junos IPv6 over IPv4 Security Policy Bypass (PSN-2011-07-299)

medium Nessus Plugin ID 55935

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Synopsis

The remote device does not enforce security policies on tunneled IPv6 traffic.

Description

According to its self-reported version number, the remote Juniper device is running a version of Junos with a security bypass vulnerability. When the device is configured to perform IPv6 in IPv4 tunneling, policies that apply to the encapsulated datagram are not enforced.

A remote, unauthenticated attacker could exploit this to bypass security restrictions.

Solution

Apply the relevant Junos upgrade referenced in Juniper advisory PSN-2011-07-299.

See Also

http://www.nessus.org/u?ab8a3167

Plugin Details

Severity: Medium

ID: 55935

File Name: juniper_psn-2011-07-299.nasl

Version: 1.12

Type: combined

Published: 8/22/2011

Updated: 8/8/2018

Supported Sensors: Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.1

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

Vulnerability Information

CPE: cpe:/o:juniper:junos

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/13/2011

Vulnerability Publication Date: 7/13/2011

Reference Information

BID: 50705