Executive Summary

Informations
Name CVE-2017-12237 First vendor Publication 2017-09-28
Vendor Cve Last vendor Modification 2019-10-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS 15.0 through 15.6 and Cisco IOS XE 3.5 through 16.5 could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an affected device that leads to a denial of service (DoS) condition. The vulnerability is due to how an affected device processes certain IKEv2 packets. An attacker could exploit this vulnerability by sending specific IKEv2 packets to an affected device to be processed. A successful exploit could allow the attacker to cause high CPU utilization, traceback messages, or a reload of the affected device that leads to a DoS condition. This vulnerability affects Cisco devices that have the Internet Security Association and Key Management Protocol (ISAKMP) enabled. Although only IKEv2 packets can be used to trigger this vulnerability, devices that are running Cisco IOS Software or Cisco IOS XE Software are vulnerable when ISAKMP is enabled. A device does not need to be configured with any IKEv2-specific features to be vulnerable. Many features use IKEv2, including different types of VPNs such as the following: LAN-to-LAN VPN; Remote-access VPN, excluding SSL VPN; Dynamic Multipoint VPN (DMVPN); and FlexVPN. Cisco Bug IDs: CSCvc41277.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12237

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2
Os 339
Os 791

Snort® IPS/IDS

Date Description
2017-09-28 Cisco IOS IKEv2 session initialization denial of service attempt
RuleID : 44464 - Revision : 1 - Type : SERVER-OTHER

Nessus® Vulnerability Scanner

Date Description
2017-10-06 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20170927-ike-ios.nasl - Type : ACT_GATHER_INFO
2017-10-06 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20170927-ike-ios_xe.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/101037
CONFIRM https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...
SECTRACK http://www.securitytracker.com/id/1039460

Alert History

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Date Informations
2023-10-06 01:37:33
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2023-08-12 12:45:16
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2023-08-12 01:11:51
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2023-08-11 12:39:52
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2023-08-11 01:12:11
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2023-08-06 12:38:34
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2023-08-06 01:11:50
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2023-08-04 12:38:44
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2023-08-04 01:11:54
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2023-07-14 12:38:45
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2023-07-14 01:11:53
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2023-03-29 01:40:31
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2023-03-28 12:12:11
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2022-12-24 01:31:06
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2022-10-28 12:31:05
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2022-04-26 01:28:51
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2021-10-14 01:24:45
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2021-10-13 01:24:33
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2021-10-08 12:25:26
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2021-05-07 12:21:36
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2021-05-04 12:58:05
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2021-04-22 02:11:19
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2021-03-30 01:20:32
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2020-11-25 01:17:59
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2020-10-09 01:17:22
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2020-10-07 01:17:11
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2020-06-11 01:17:35
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2020-06-10 01:16:13
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2020-06-09 01:17:22
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2020-05-24 01:20:23
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2020-05-23 02:02:46
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2020-05-23 00:55:26
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2019-10-10 05:19:42
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2019-10-08 21:20:01
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2019-10-03 09:20:00
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2019-04-03 12:07:06
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2019-04-02 12:06:12
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2018-12-01 12:04:34
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2018-11-27 12:07:56
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2018-07-21 12:05:19
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2018-04-25 12:08:11
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2018-04-24 12:03:16
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2018-04-21 12:04:10
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2017-10-07 13:25:06
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2017-10-07 00:22:47
  • Multiple Updates
2017-09-30 09:23:38
  • Multiple Updates
2017-09-29 09:24:19
  • First insertion