Cisco IOS XE IKEv2 DoS (cisco-sa-20150325-ikev2)

high Nessus Plugin ID 82575
New! Plugin Severity Now Using CVSS v3

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, the Cisco IOS XE software running on the remote device is affected by a denial of service vulnerability in the Internet Key Exchange version 2 (IKEv2) subsystem due to improper handling of specially crafted IKEv2 packets. A remote, unauthenticated attacker can exploit this issue to cause a device reload or exhaust memory resources.

Note that this issue only affects devices with IKEv1 or ISAKMP enabled.

Solution

Apply the relevant patch referenced in the Cisco security advisory.

See Also

http://www.nessus.org/u?10464ee0

https://tools.cisco.com/security/center/viewAlert.x?alertId=37815

https://tools.cisco.com/security/center/viewAlert.x?alertId=37816

Plugin Details

Severity: High

ID: 82575

File Name: cisco-sa-20150325-ikev2-iosxe.nasl

Version: 1.17

Type: local

Family: CISCO

Published: 4/3/2015

Updated: 11/22/2019

Dependencies: cisco_ios_xe_version.nasl

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios_xe

Required KB Items: Host/Cisco/IOS-XE/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 4/2/2015

Vulnerability Publication Date: 3/25/2015

Reference Information

CVE: CVE-2015-0642, CVE-2015-0643

BID: 73333