Executive Summary

Summary
Title Cisco IOS XR Software IPv6 Malformed Packet Denial of Service Vulnerability
Informations
Name cisco-sa-20140611-ipv6 First vendor Publication 2014-06-11
Vendor Cisco Last vendor Modification 2014-06-11
Severity (Vendor) N/A Revision 1.0

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:N/AC:M/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.1 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the parsing of malformed Internet Protocol version 6 (IPv6) packets in Cisco IOS XR Software for ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause a lockup and eventual reload of a Network Processor (NP) chip and a line card processing traffic. Only Trident-based line cards on Cisco ASR 9000 Series Aggregation Services Routers are affected by this vulnerability.

The vulnerability is due to insufficient logic in parsing malformed IPv6 packets. An attacker could exploit this vulnerability by sending a stream of malformed IPv6 packets to the affected device. An exploit could allow the attacker to cause a lockup and eventual reload of an NP chip and a line card, leading to a denial of service (DoS) condition.

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

This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140611-ipv6

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Original Source

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

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-399 Resource Management Errors

CPE : Common Platform Enumeration

TypeDescriptionCount
Hardware 1
Hardware 1
Hardware 1
Hardware 1
Hardware 1
Hardware 1
Os 5

Nessus® Vulnerability Scanner

Date Description
2014-06-30 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20140611-ipv6-iosxr.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
Date Informations
2014-07-01 13:24:49
  • Multiple Updates
2014-06-17 17:26:32
  • Multiple Updates
2014-06-11 21:22:01
  • First insertion