Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2018-0171 First vendor Publication 2018-03-28
Vendor Cve Last vendor Modification 2025-01-27

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

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

Detail

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition, or to execute arbitrary code on an affected device. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted Smart Install message to an affected device on TCP port 4786. A successful exploit could allow the attacker to cause a buffer overflow on the affected device, which could have the following impacts: Triggering a reload of the device, Allowing the attacker to execute arbitrary code on the device, Causing an indefinite loop on the affected device that triggers a watchdog crash. Cisco Bug IDs: CSCvg76186.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0171

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1

Snort® IPS/IDS

Date Description
2018-06-05 Cisco Smart Install invalid init discovery message denial of service attempt
RuleID : 46468 - Revision : 1 - Type : SERVER-OTHER
2018-05-01 Cisco Smart Install init discovery message stack buffer overflow attempt
RuleID : 46096 - Revision : 2 - Type : SERVER-OTHER

Nessus® Vulnerability Scanner

Date Description
2018-03-29 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20180328-smi2-ios.nasl - Type : ACT_GATHER_INFO
2018-03-29 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20180328-smi2-iosxe.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

http://www.securityfocus.com/bid/103538
http://www.securitytracker.com/id/1040580
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...
https://www.darkreading.com/perimeter/attackers-exploit-cisco-switch-issue-as...
Source Url

Alert History

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Date Informations
2025-01-28 00:21:07
  • Multiple Updates
2024-11-28 13:10:24
  • Multiple Updates
2021-05-04 13:07:49
  • Multiple Updates
2021-04-22 02:21:30
  • Multiple Updates
2020-09-05 00:22:45
  • Multiple Updates
2020-05-23 01:04:57
  • Multiple Updates
2019-10-10 05:20:10
  • Multiple Updates
2018-04-24 21:19:44
  • Multiple Updates
2018-04-20 09:19:17
  • Multiple Updates
2018-04-16 00:19:14
  • Multiple Updates
2018-03-31 09:18:37
  • Multiple Updates
2018-03-30 09:18:56
  • Multiple Updates
2018-03-29 05:18:19
  • First insertion