Cisco IOS PPTP Vulnerability - Cisco Systems

medium Nessus Plugin ID 48958

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Synopsis

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

Description

Point-to-Point Tunneling Protocol (PPTP) allows users to tunnel to an Internet Protocol (IP) network using a Point-to-Point Protocol (PPP).
The protocol is described in RFC2637.

PPTP implementation using Cisco IOS software releases contains a vulnerability that will crash a router if it receives a malformed or crafted PPTP packet. To expose this vulnerability, PPTP must be enabled on the router. PPTP is disabled by default. No additional special conditions are required.

This vulnerability is present in all Cisco IOS releases that support PPTP. PPTP is supported in the following software releases:
No other Cisco product is vulnerable.

There is no workaround for this vulnerability.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20010712-pptp.

See Also

http://www.nessus.org/u?e4797061

http://www.nessus.org/u?b3a7dd2d

Plugin Details

Severity: Medium

ID: 48958

File Name: cisco-sa-20010712-pptphttp.nasl

Version: 1.17

Type: local

Family: CISCO

Published: 9/1/2010

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 7/12/2001

Vulnerability Publication Date: 7/12/2001

Reference Information

CVE: CVE-2001-1183

BID: 3022

CERT: 656315

CISCO-SA: cisco-sa-20010712-pptp

CISCO-BUG-ID: CSCdt46181