Executive Summary

Summary
Title Cisco IOS Software for Cisco Catalyst 6800 Series Switches VPLS Denial of Service Vulnerability
Informations
Name cisco-sa-20170927-vpls First vendor Publication 2017-09-27
Vendor Cisco Last vendor Modification 2017-09-27
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:A/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 3.3 Attack Range Adjacent network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 6.5 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the Virtual Private LAN Service (VPLS) code of Cisco IOS Software for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a C6800-16P10G or C6800-16P10G-XL type line card to crash, resulting in a denial of service (DoS) condition.

The vulnerability is due to a memory management issue in the affected software. An attacker could exploit this vulnerability by creating a large number of VPLS-generated MAC entries in the MAC address table of an affected device. A successful exploit could allow the attacker to cause a C6800-16P10G or C6800-16P10G-XL type line card to crash, resulting in a DoS condition.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-vpls ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-vpls"]

This advisory is part of the September 27, 2017, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes 12 Cisco Security Advisories that describe 13 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: September 2017 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication ["https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-63410"].

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Original Source

Url : http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco (...)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 10
Hardware 286
Os 6706

Nessus® Vulnerability Scanner

Date Description
2017-10-05 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20170927-vpls.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
3
Date Informations
2017-10-07 00:24:30
  • Multiple Updates
2017-10-06 13:25:09
  • Multiple Updates
2017-09-29 09:26:02
  • Multiple Updates
2017-09-27 21:23:03
  • First insertion