Cisco IOS XR 4.3.1.BASE on ASR 9000 NetFlow Processor input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Cisco IOS XR 4.3.1.BASE on ASR 9000. The impacted element is an unknown function of the component NetFlow Processor. The manipulation results in input validation. This vulnerability is cataloged as CVE-2014-3335. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cisco IOS XR 4.3.1.BASE on ASR 9000 (Router Operating System). Affected is an unknown functionality of the component NetFlow Processor. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The advisory summarizes:

Only Typhoon Line cards are affected by this vulnerability

The weakness was shared 08/25/2014 with Cisco as CSCup77750 as confirmed security notice (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2014-3335 since 05/07/2014. The exploitability is told to be difficult. The attack can only be done within the local network. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 77729 , which helps to determine the existence of the flaw in a target environment. It is .

Upgrading to version 5.1.3.16i.BASE, 5.1.3.18i.BASE, 5.2.2.18i.BASE or 5.3.0.1i.BASE eliminates this vulnerability. The upgrade is hosted for download at software.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 (95443), Tenable (77729), SecurityFocus (BID 69383†), Secunia (SA60222†) and SecurityTracker (ID 1030757†). Further details are available at tools.cisco.com. Once again VulDB remains the best source 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: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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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Nessus ID: 77729
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: IOS XR 5.1.3.16i.BASE/5.1.3.18i.BASE/5.2.2.18i.BASE/5.3.0.1i.BASE

Timelineinfo

05/07/2014 🔍
08/25/2014 +110 days 🔍
08/25/2014 +0 days 🔍
08/25/2014 +0 days 🔍
08/25/2014 +0 days 🔍
08/26/2014 +1 days 🔍
08/26/2014 +0 days 🔍
08/26/2014 +0 days 🔍
08/28/2014 +2 days 🔍
09/17/2014 +20 days 🔍
09/22/2014 +5 days 🔍
02/11/2022 +2699 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCup77750
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-3335 (🔍)
GCVE (CVE): GCVE-0-2014-3335
GCVE (VulDB): GCVE-100-67404
X-Force: 95443 - Cisco IOS XR NetFlow denial of service, Medium Risk
SecurityFocus: 69383 - Cisco IOS XR Software Packet Parsing CVE-2014-3335 Denial of Service Vulnerability
Secunia: 60222 - Cisco IOS XR Software NetFlow Multicast MAC Address Processing Denial of Service Vulnerabi, Less Critical
SecurityTracker: 1030757 - Cisco ASR 9000 Series IOS XR Router Packet Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 46227 - Cisco IOS XR Remote Denial of Service via a Crafted Packet, High

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

Entryinfo

Created: 08/26/2014 12:31
Updated: 02/11/2022 03:21
Changes: 08/26/2014 12:31 (81), 06/06/2017 08:44 (3), 02/11/2022 03:13 (3), 02/11/2022 03:21 (1)
Complete: 🔍
Cache ID: 216:9BE:103

Once again VulDB remains the best source for vulnerability data.

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