Cisco IOS XR ICMPv6 Packet input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XR. It has been rated as problematic. Affected is an unknown function of the component ICMPv6 Packet Handler. The manipulation leads to input validation. This vulnerability is listed as CVE-2014-2144. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Cisco IOS XR (Router Operating System) (version unknown) and classified as critical. This issue affects an unknown function of the component ICMPv6 Packet Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

Cisco IOS XR does not properly throttle ICMPv6 redirect packets, which allows remote attackers to cause a denial of service (IPv4 and IPv6 transit outage) via crafted redirect messages, aka Bug ID CSCum14266.

The weakness was presented 04/04/2014 with Cisco as CSCum14266 as confirmed security notice (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2014-2144 since 02/25/2014. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 73436 (Cisco IOS XR ICMPv6 Redirect Denial of Service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Applying the patch CSCum14266 is able to eliminate this problem. The bugfix is ready for download at tools.cisco.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (92294), Tenable (73436), SecurityFocus (BID 66658†), Secunia (SA57750†) and SecurityTracker (ID 1030021†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 73436
Nessus Name: Cisco IOS XR ICMPv6 Redirect Denial of Service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: CSCum14266

Timelineinfo

02/25/2014 🔍
04/04/2014 +38 days 🔍
04/04/2014 +0 days 🔍
04/04/2014 +0 days 🔍
04/04/2014 +0 days 🔍
04/05/2014 +1 days 🔍
04/05/2014 +0 days 🔍
04/06/2014 +1 days 🔍
04/07/2014 +1 days 🔍
04/09/2014 +2 days 🔍
05/09/2026 +4413 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCum14266
Organization: Cisco
Status: Confirmed

CVE: CVE-2014-2144 (🔍)
GCVE (CVE): GCVE-0-2014-2144
GCVE (VulDB): GCVE-100-12803

IAVM: 🔍

X-Force: 92294 - Cisco IOS XR ICMPv6 denial of service, Medium Risk
SecurityFocus: 66658 - Cisco IOS XR Software ICMPv6 Processing Denial of Service Vulnerability
Secunia: 57750
SecurityTracker: 1030021 - Cisco IOS XR ICMPv6 Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 43902 - Cisco IOS XR Remote DoS via Crafted ICMPv6 Redirect Message, Medium

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

Entryinfo

Created: 04/07/2014 09:46
Updated: 05/09/2026 20:23
Changes: 04/07/2014 09:46 (46), 05/24/2017 11:03 (35), 06/16/2021 14:53 (3), 05/09/2026 20:23 (15)
Complete: 🔍
Cache ID: 216::103

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