CVE-2018-0171

CVSS V2 High 10 CVSS V3 Critical 9.8
Description
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.
Overview
  • CVE ID
  • CVE-2018-0171
  • Assigner
  • ykramarz@cisco.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-03-28T22:29:01
  • Last Modified Date
  • 2020-09-04T18:25:04
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:cisco:ios:15.2\(5\)e:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 10
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi2 Vendor Advisory
http://www.securitytracker.com/id/1040580 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/103538 Third Party Advisory VDB Entry
https://www.darkreading.com/perimeter/attackers-exploit-cisco-switch-issue-as-vendor-warns-of-yet-another-critical-flaw/d/d-id/1331490 Press/Media Coverage
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 Third Party Advisory US Government Resource
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 Third Party Advisory US Government Resource
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-0171
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0171
History
Created Old Value New Value Data Type Notes
2022-05-10 16:26:53 Added to TrackCVE
2022-12-03 03:58:15 psirt@cisco.com ykramarz@cisco.com CVE Assigner updated
2022-12-03 03:58:15 2018-03-28T22:29Z 2018-03-28T22:29:01 CVE Published Date updated
2022-12-03 03:58:15 2020-09-04T18:25:04 CVE Modified Date updated
2022-12-03 03:58:15 Analyzed Vulnerability Status updated