Cisco IOS/IOS XE IKEv2 resource management

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. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component IKEv2 Handler. This manipulation causes resource management. This vulnerability is tracked as CVE-2015-0643. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Cisco IOS and IOS XE (Router Operating System). Affected by this vulnerability is an unknown code block of the component IKEv2 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.

The weakness was disclosed 03/25/2015 with Cisco as cisco-sa-20150325-ikev2 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2015-0643 since 01/07/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 82574 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43438 (Cisco IOS Internet Key Exchange Version 2 Denial of Service Vulnerabilities (cisco-sa-20150325-ikev2)).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (101794), Tenable (82574), SecurityFocus (BID 73333†), SecurityTracker (ID 1031978†) and Vulnerability Center (SBV-49218†). The entry VDB-74106 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Cisco IOS 12.2 up to 15.4
  • Cisco IOS XE up to 3.13.2

Productinfo

Type

Vendor

Name

License

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

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

NVD Base Score: 🔍

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: 82574
Nessus File: 🔍
Nessus Risk: 🔍

OpenVAS ID: 103403
OpenVAS Name: Cisco IOS Software and IOS XE Software Internet Key Exchange Version 2 Denial of Service Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2015 🔍
03/25/2015 +77 days 🔍
03/25/2015 +0 days 🔍
03/25/2015 +0 days 🔍
03/25/2015 +0 days 🔍
03/26/2015 +1 days 🔍
03/26/2015 +0 days 🔍
03/26/2015 +0 days 🔍
04/16/2022 +2578 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20150325-ikev2
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-0643 (🔍)
GCVE (CVE): GCVE-0-2015-0643
GCVE (VulDB): GCVE-100-74107
X-Force: 101794 - Cisco IOS and Cisco IOS XE IKEv2 denial of service
SecurityFocus: 73333 - Cisco IOS and IOS XE Software 'IKEv2' Module Multiple Denial of Service Vulnerabilities
SecurityTracker: 1031978 - Cisco IOS and IOS-XE IKEv2 Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 49218 - [cisco-sa-20150325-ikev2] Cisco IOS and IOS-XE Remote DoS via IKEv2, High

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

Entryinfo

Created: 03/26/2015 08:50
Updated: 04/16/2022 07:56
Changes: 03/26/2015 08:50 (71), 06/23/2017 10:39 (8), 04/16/2022 07:50 (3), 04/16/2022 07:56 (1)
Complete: 🔍
Cache ID: 216::103

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