Cisco IOS XR 5.0.1.BASE/5.0.1.LC MPLS Packet input validation

CVSS Meta Temp Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XR 5.0.1.BASE/5.0.1.LC. It has been rated as problematic. This affects an unknown function of the component MPLS Packet Handler. This manipulation causes input validation. The identification of this vulnerability is CVE-2014-3379. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco IOS XR 5.0.1.BASE/5.0.1.LC (Router Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component MPLS Packet Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

Cisco IOS XR 5.1 and earlier on Network Convergence System 6000 devices allows remote attackers to cause a denial of service (NPU and card hang or reload) via a malformed MPLS packet, aka Bug ID CSCuq10466.

The weakness was shared 09/18/2014 with Cisco as CSCuq10466 as confirmed security notice (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2014-3379 since 05/07/2014. The exploitation appears to be easy. The attack needs to approached within the local network. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 5.1.4.6i.BASE, 5.2.1.31i.BASE or 5.2.2.24i.BASE eliminates this vulnerability. The upgrade is hosted for download at software.cisco.com.

The vulnerability is also documented in the databases at X-Force (96068), SecurityFocus (BID 69960†), Secunia (SA61372†), SecurityTracker (ID 1030878†) and Vulnerability Center (SBV-46217†). Additional details are provided at tools.cisco.com. The entries VDB-67666, VDB-67667 and VDB-67668 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IOS XR 5.1.4.6i.BASE/5.2.1.31i.BASE/5.2.2.24i.BASE

Timelineinfo

05/07/2014 🔍
09/18/2014 +134 days 🔍
09/18/2014 +0 days 🔍
09/19/2014 +1 days 🔍
09/19/2014 +0 days 🔍
09/20/2014 +1 days 🔍
09/20/2014 +0 days 🔍
09/21/2014 +1 days 🔍
09/23/2014 +2 days 🔍
06/06/2017 +987 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuq10466
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-3379 (🔍)
GCVE (CVE): GCVE-0-2014-3379
GCVE (VulDB): GCVE-100-67669
X-Force: 96068 - Cisco IOS XR MPLS denial of service, Medium Risk
SecurityFocus: 69960 - Cisco IOS XR Software CVE-2014-3379 MPLS Packet Parsing Denial of Service Vulnerability
Secunia: 61372 - Cisco IOS XR MPLS Packet Handling Denial of Service Vulnerability, Less Critical
SecurityTracker: 1030878 - Cisco IOS XR Packet Processing Flaws Let Remote and Remote Authenticated Users Deny Service
Vulnerability Center: 46217 - Cisco IOS XR <=5.1 on Network Convergence System 6000 devices Remote DoS via MPLS Packets, Medium

scip Labs: https://www.scip.ch/en/?labs.20150108
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/23/2014 14:48
Updated: 06/06/2017 08:43
Changes: 09/23/2014 14:48 (77), 06/06/2017 08:43 (3)
Complete: 🔍
Cache ID: 216:64D:103

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