Cisco IOS Tunnel Interfaces Security Bypass

medium Nessus Plugin ID 86951

Language:

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

The remote Cisco device is affected by a security bypass vulnerability due to physical-interface ACLs superseding tunnel-interface ACLs. An authenticated, remote attacker connected to a tunnel interface can exploit this to bypass intended network-traffic restrictions.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCur01042.

Plugin Details

Severity: Medium

ID: 86951

File Name: cisco-sa-20151112-ios2-ios.nasl

Version: 1.9

Type: combined

Family: CISCO

Published: 11/19/2015

Updated: 12/1/2020

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2015-6366

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Settings/ParanoidReport, Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2015

Vulnerability Publication Date: 11/12/2015

Reference Information

CVE: CVE-2015-6366

BID: 77569

CISCO-SA: cisco-sa-20151112-ios2

CISCO-BUG-ID: CSCur01042

Detections

Analytics