Cisco IOS/IOS XE up to 15.4(1.1)T/15.4(1)T IKE Main Mode Packet denial of service

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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS and IOS XE up to 15.4(1.1)T/15.4(1)T. It has been declared as problematic. This impacts an unknown function of the component IKE Main Mode Packet Handler. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2014-2143. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cisco IOS and IOS XE up to 15.4(1.1)T/15.4(1)T (Router Operating System) and classified as problematic. This vulnerability affects some unknown processing of the component IKE Main Mode Packet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

The IKE implementation in Cisco IOS 15.4(1)T and earlier and IOS XE allows remote attackers to cause a denial of service (security-association drop) via crafted Main Mode packets, aka Bug ID CSCun31021.

The weakness was disclosed 04/03/2014 with Cisco as CSCun31021/CSCun31021 as confirmed security notice (Website). The advisory is available at tools.cisco.com. This vulnerability was named CVE-2014-2143 since 02/25/2014. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 73736 (Cisco IOS IKE Module DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43404 (Cisco IOS Software IKE Main Mode Vulnerability (CSCun31021)).

Upgrading to version CSCun31021 or CSCun31021 eliminates this vulnerability. The upgrade is hosted 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 (92269), Tenable (73736), SecurityFocus (BID 66628†), Secunia (SA57725†) and SecurityTracker (ID 1030020†). Additional details are provided at tools.cisco.com. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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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: 🔍
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Exploitinginfo

Class: Denial of service
CWE: 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: 73736
Nessus Name: Cisco IOS IKE Module DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: IOS/IOS XE CSCun31021/CSCun31021

Timelineinfo

02/25/2014 🔍
04/03/2014 +37 days 🔍
04/03/2014 +0 days 🔍
04/03/2014 +0 days 🔍
04/03/2014 +0 days 🔍
04/04/2014 +1 days 🔍
04/04/2014 +0 days 🔍
04/04/2014 +0 days 🔍
04/05/2014 +1 days 🔍
04/06/2014 +1 days 🔍
04/28/2014 +22 days 🔍
12/19/2024 +3888 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCun31021/CSCun31021
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-2143 (🔍)
GCVE (CVE): GCVE-0-2014-2143
GCVE (VulDB): GCVE-100-12802
X-Force: 92269 - Cisco IOS IKE denial of service, Medium Risk
SecurityFocus: 66628 - Cisco IOS and IOS XE Software CVE-2014-2143 Denial of Service Vulnerability
Secunia: 57725 - Cisco IOS IKE Main Mode Packet Handling Denial of Service Vulnerability, Not Critical
SecurityTracker: 1030020 - Cisco IOS and IOS XE IKE Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 43904 - Cisco IOS and IOS XE Remote DoS Vulnerability via IKE Main Mode, Medium

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

Entryinfo

Created: 04/04/2014 17:24
Updated: 12/19/2024 10:48
Changes: 04/04/2014 17:24 (50), 05/24/2017 11:04 (35), 06/16/2021 14:50 (3), 12/19/2024 10:48 (16)
Complete: 🔍
Cache ID: 216:A7B:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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