Detections
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Cisco IOS GRE Decapsulation Vulnerability

medium Nessus Plugin ID 17789

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Synopsis

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

Description

The remote device contains a flaw in the way GRE packets are handled. By sending a specially crafted GRE packet, an attacker can take advantage of this flaw to potentially bypass access-control lists.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sr-20060906-gre.

See Also

http://www.nessus.org/u?f618c509

https://www.securityfocus.com/archive/1/445322/30/0/threaded

Plugin Details

Severity: Medium

ID: 17789

File Name: cisco-sr-20060906-gre.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 1/10/2012

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.6

CVSS v2

Risk Factor: Low

Base Score: 2.6

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

CVSS Score Source: CVE-2006-4650

CVSS v3

Risk Factor: Medium

Base Score: 4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Patch Publication Date: 9/6/2006

Vulnerability Publication Date: 9/6/2006

Reference Information

CVE: CVE-2006-4650