Cisco IOS/IOS XE EnergyWise 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 and IOS XE and classified as problematic. Affected by this issue is some unknown functionality of the component EnergyWise. Executing a manipulation can lead to input validation. This vulnerability appears as CVE-2014-3327. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cisco IOS and IOS XE (Router Operating System) (the affected version is unknown) and classified as critical. This vulnerability affects an unknown code of the component EnergyWise. 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. CVE summarizes:

The EnergyWise module in Cisco IOS 12.2, 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.2.xXO, 3.3.xSG, 3.4.xSG, and 3.5.xE before 3.5.3E allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCup52101.

The weakness was presented 08/06/2014 with Cisco as cisco-sa-20140806-energywise as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2014-3327 since 05/07/2014. 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 77154 , which helps to determine the existence of the flaw in a target environment. It is . The commercial vulnerability scanner Qualys is able to test this issue with plugin 43409 (Cisco IOS Software EnergyWise Crafted Packet Denial of Service Vulnerability (cisco-sa-20140806-energywise)). The advisory illustrates:

To determine whether a Cisco IOS device is configured with EnergyWise, use the show run | include energywise command. The following example is the output of the show run | include energywise command on a Cisco IOS device configured with the minimum EnergyWise configuration needed to enable its operation: Router#show run | include energywise energywise domain test_domain security shared-secret 0 test123

Upgrading eliminates this vulnerability.Proper firewalling of udp/43440 is able to address this issue. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (95137), Tenable (77154), SecurityFocus (BID 69066†), Secunia (SA60650†) and SecurityTracker (ID 1030682†). 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: 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: 🔍
VulDB Reliability: 🔍

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: 77154
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Firewalling: 🔍

Timelineinfo

05/07/2014 🔍
08/06/2014 +91 days 🔍
08/06/2014 +0 days 🔍
08/06/2014 +0 days 🔍
08/06/2014 +0 days 🔍
08/06/2014 +0 days 🔍
08/07/2014 +1 days 🔍
08/07/2014 +0 days 🔍
08/08/2014 +1 days 🔍
08/11/2014 +3 days 🔍
08/12/2014 +1 days 🔍
12/17/2024 +3780 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20140806-energywise
Organization: Cisco
Status: Confirmed

CVE: CVE-2014-3327 (🔍)
GCVE (CVE): GCVE-0-2014-3327
GCVE (VulDB): GCVE-100-67288

IAVM: 🔍

X-Force: 95137 - Cisco IOS and Cisco IOS XE EnergyWise module denial of service, High Risk
SecurityFocus: 69066 - Cisco IOS and IOS XE Software CVE-2014-3327 Denial of Service Vulnerability
Secunia: 60650 - Cisco IOS / IOS XE EnergyWise Denial of Service Vulnerability, Less Critical
SecurityTracker: 1030682 - Cisco IOS and IOS XE EnergyWise Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 45679 - [cisco-sa-20140806-energywise] Cisco IOS and IOS XE Remote DoS in EnergyWise, High

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

Entryinfo

Created: 08/07/2014 10:23
Updated: 12/17/2024 08:55
Changes: 08/07/2014 10:23 (82), 06/03/2017 07:43 (2), 02/10/2022 08:58 (3), 12/17/2024 08:55 (16)
Complete: 🔍
Cache ID: 216:5B6:103

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