Cisco IOS XR 6.2.11.BASE resource management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

A vulnerability has been found in Cisco IOS XR 6.2.11.BASE (Router Operating System) and classified as problematic. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability.

The bug was discovered 06/07/2017. The weakness was shared 06/07/2017 by Cisco. with Cisco as cisco-sa-20170607-ncs as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability was named CVE-2017-6666 since 03/09/2017. Local access is required to approach this attack. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

To recover a device from the affected state, tear down and then re-establish the TE tunnel using the shutdown command followed by the no shutdown command in tunnel configuration mode.

The vulnerability is also documented in the databases at SecurityFocus (BID 98987) and SecurityTracker (ID 1038630).

Productinfoedit

Type

Router Operating System

Vendor

Cisco

Name

IOS XR

CPE 2.3infoedit

🔍

CPE 2.2infoedit

🔍

CVSSv3infoedit

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.2
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Cisco): 6.0
Vendor Vector (Cisco): 🔍

NVD Base Score: 6.0
NVD Vector: 🔍

CVSSv2infoedit

AV	AC	Au	C	I	A
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Denial of service
CWE: CWE-399
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

OpenVAS ID: 103403
OpenVAS Name: Cisco Network Convergence System 5500 Series Routers Local Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfoedit

03/09/2017 🔍
06/07/2017 +90 days 🔍
06/07/2017 +0 days 🔍
06/07/2017 +0 days 🔍
06/07/2017 +0 days 🔍
06/08/2017 +1 days 🔍
06/09/2017 +1 days 🔍
06/13/2017 +4 days 🔍
12/26/2020 +1292 days 🔍

Sourcesinfoedit

Vendor: https://www.cisco.com/

Advisory: cisco-sa-20170607-ncs
Researcher: Cisco.
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6666 (🔍)
SecurityFocus: 98987 - Cisco IOS XR Software CVE-2017-6666 Local Denial of Service Vulnerability
SecurityTracker: 1038630

scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfoedit

Created: 06/09/2017 09:20 AM
Updated: 12/26/2020 05:00 PM
Changes: (1) advisory_person_name
Complete: 🔍