Cisco IOS Virtual PPP Interfaces Security Bypass

medium Nessus Plugin ID 86950

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 virtual PPP interface ACLs.
An authenticated, remote attacker connected to an authenticated PPP session can exploit this to bypass intended network-traffic restrictions.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCur61303.

See Also

http://www.nessus.org/u?c59ed4b6

Plugin Details

Severity: Medium

ID: 86950

File Name: cisco-sa-20151112-ios1-ios.nasl

Version: 1.9

Type: combined

Family: CISCO

Published: 11/19/2015

Updated: 12/9/2020

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.4

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2015-6365

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: 11/13/2015

Vulnerability Publication Date: 11/13/2015

Reference Information

CVE: CVE-2015-6365

BID: 77583

CISCO-SA: cisco-sa-20151112-ios1

CISCO-BUG-ID: CSCur61303