Vulnerability Details

Cisco IOS Software and IOS XE Software Internet Key Exchange Version 2 Denial of Service Vulnerabilities

Published: 2016-05-10 08:42:54
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C

Detection Method:
Checks if a vulnerable version is present on the target host.

Recommendations:
See the referenced vendor advisory for a solution.

Summary:
Devices running Cisco IOS Software or IOS XE Software contain vulnerabilities within the Internet Key Exchange (IKE) version 2 subsystem that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerabilities are due to how an affected device processes certain malformed IKEv2 packets. An attacker could exploit these vulnerabilities by sending malformed IKEv2 packets to an affected device to be processed. A successful exploit could allow the attacker to cause a reload of the affected device or excessive consumption of resources that would lead to a DoS condition. IKEv2 is automatically enabled on devices running Cisco IOS and Cisco IOS XE Software when the Internet Security Association and Key Management Protocol (ISAKMP) is enabled. These vulnerabilities can only be triggered by sending malformed IKEv2 packets. There are no workarounds for the vulnerabilities described in this advisory. Cisco has released software updates that address these vulnerabilities. Note: The March 25, 2015, Cisco IOS & XE Software Security Advisory bundled publication includes seven Cisco Security Advisories. The advisories address vulnerabilities in Cisco IOS Software and Cisco IOS XE Software. Individual publication links are in Cisco Event Response: Semiannual Cisco IOS & XE Software Security Advisory Bundled Publication at the referenced link

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2015-0643
https://nvd.nist.gov/vuln/detail/CVE-2015-0642

References:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150325-ikev2
http://tools.cisco.com/security/center/viewAlert.x?alertId=37815
http://tools.cisco.com/security/center/viewAlert.x?alertId=37816
http://tools.cisco.com/security/center/viewErp.x?alertId=43609
http://tools.cisco.com/security/center/content/CiscoSecurityBundle/cisco-sa-20150325-bundle

Severity
High
CVSS Score
7.8
Published
2016-05-10
Modified
2018-11-21
Category
CISCO

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