Executive Summary

Informations
Name CVE-2018-0156 First vendor Publication 2018-03-28
Vendor Cve Last vendor Modification 2020-09-02

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 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. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0156

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 2
Os 2

Snort® IPS/IDS

Date Description
2017-02-27 Cisco IOS Smart Install protocol version command attempt
RuleID : 41725-community - Revision : 4 - Type : SERVER-OTHER
2017-03-28 Cisco IOS Smart Install protocol version command attempt
RuleID : 41725 - Revision : 4 - Type : SERVER-OTHER

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/103569
CONFIRM https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...
MISC https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
SECTRACK http://www.securitytracker.com/id/1040596

Alert History

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Date Informations
2020-09-02 21:23:09
  • Multiple Updates
2020-05-23 01:04:57
  • Multiple Updates
2019-10-10 05:20:10
  • Multiple Updates
2019-10-03 09:20:40
  • Multiple Updates
2018-04-20 21:19:49
  • Multiple Updates
2018-04-20 09:19:17
  • Multiple Updates
2018-04-04 09:19:39
  • Multiple Updates
2018-03-30 09:18:56
  • Multiple Updates
2018-03-29 05:18:19
  • First insertion