Cisco IOS XR on ASR 9000 IPv6 Packet resource management

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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Cisco IOS XR on ASR 9000. This affects an unknown part of the component IPv6 Packet Handler. Executing a manipulation can lead to resource management. This vulnerability is handled as CVE-2014-2176. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Cisco IOS XR on ASR 9000 (Router Operating System) (the affected version unknown) and classified as critical. This vulnerability affects an unknown part of the component IPv6 Packet Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

Cisco IOS XR 4.1.2 through 5.1.1 on ASR 9000 devices, when a Trident-based line card is used, allows remote attackers to cause a denial of service (NP chip and line card reload) via malformed IPv6 packets, aka Bug ID CSCun71928.

The weakness was released 06/11/2014 with Cisco as cisco-sa-20140611-ipv6 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2014-2176 since 02/25/2014. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 76312 (Cisco IOS XR Software IPv6 Malformed Packet DoS (cisco-sa-20140611-ipv6)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (93741), Tenable (76312), SecurityFocus (BID 68005†), Secunia (SA58722†) and SecurityTracker (ID 1030400†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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: 76312
Nessus Name: Cisco IOS XR Software IPv6 Malformed Packet DoS (cisco-sa-20140611-ipv6)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

02/25/2014 🔍
06/11/2014 +106 days 🔍
06/11/2014 +0 days 🔍
06/11/2014 +0 days 🔍
06/11/2014 +0 days 🔍
06/11/2014 +0 days 🔍
06/12/2014 +1 days 🔍
06/14/2014 +2 days 🔍
06/15/2014 +1 days 🔍
06/30/2014 +15 days 🔍
06/22/2021 +2549 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20140611-ipv6
Organization: Cisco
Status: Confirmed

CVE: CVE-2014-2176 (🔍)
GCVE (CVE): GCVE-0-2014-2176
GCVE (VulDB): GCVE-100-13576
X-Force: 93741 - Cisco IOS XR IPv6 denial of service, High Risk
SecurityFocus: 68005 - Cisco IOS XR Software IPv6 Packet Handling CVE-2014-2176 Denial of Service Vulnerability
Secunia: 58722
SecurityTracker: 1030400 - Cisco IOS XR ASR 9000 IPv6 Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 44983 - [cisco-sa-20140611-ipv6] Cisco IOS XR on ASR 9000 Routers Remote DoS While Using Trident-Based Line Card, High

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

Entryinfo

Created: 06/12/2014 13:11
Updated: 06/22/2021 19:41
Changes: 06/12/2014 13:11 (79), 05/30/2017 11:15 (1), 06/22/2021 19:41 (3)
Complete: 🔍
Cache ID: 216:1EB:103

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