CVE-2018-0171
Cisco IOS and IOS XE Software Smart Install Remote - [Actively Exploited]
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.
INFO
Published Date :
March 28, 2018, 10:29 p.m.
Last Modified :
Sept. 4, 2020, 6:25 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Cisco IOS and IOS XE Software improperly validates packet data, allowing an unauthenticated, remote attacker to trigger a reload of an affected device, cause a denial-of-service (DoS) condition, or perform code execution on the affected device.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2018-0171 has a 11 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-0171
.
URL | Resource |
---|---|
http://www.securityfocus.com/bid/103538 | Third Party Advisory VDB Entry |
http://www.securitytracker.com/id/1040580 | Third Party Advisory VDB Entry |
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 | Third Party Advisory US Government Resource |
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 | Third Party Advisory US Government Resource |
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi2 | Vendor Advisory |
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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Cisco SmartInstall Exploit [CVE-2018-0171]
cisco exploit cve-2018-0171 smartinstall
Python
None
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
Automates searching CVEs in the Metasploit database of exploits.
Python
None
checking alerts of X-CERT
Go
For novices
None
Python
A wrapper for Cisco's smi_check.py file.
Python
None
✍️ A curated list of CVE PoCs.
awesome cve poc
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-0171
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-0171
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Sep. 04, 2020
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Removed CWE NIST CWE-119 Removed CWE NIST CWE-20 Added CWE NIST CWE-787 -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CWE Cisco Systems, Inc. CWE-20 -
Initial Analysis by [email protected]
Apr. 24, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi2 No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi2 Vendor Advisory Changed Reference Type https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 No Types Assigned https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 Third Party Advisory, US Government Resource Changed Reference Type http://www.securitytracker.com/id/1040580 No Types Assigned http://www.securitytracker.com/id/1040580 Third Party Advisory, VDB Entry Changed Reference Type https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 No Types Assigned https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 Third Party Advisory, US Government Resource Changed Reference Type https://www.darkreading.com/perimeter/attackers-exploit-cisco-switch-issue-as-vendor-warns-of-yet-another-critical-flaw/d/d-id/1331490 No Types Assigned 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 Changed Reference Type http://www.securityfocus.com/bid/103538 No Types Assigned http://www.securityfocus.com/bid/103538 Third Party Advisory, VDB Entry Added CWE CWE-20 Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:o:cisco:ios:15.2\(5\)e:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 20, 2018
Action Type Old Value New Value Added Reference https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 [No Types Assigned] Added Reference https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 [No Types Assigned] -
CVE Modified by [email protected]
Apr. 13, 2018
Action Type Old Value New Value Added Reference https://www.darkreading.com/perimeter/attackers-exploit-cisco-switch-issue-as-vendor-warns-of-yet-another-critical-flaw/d/d-id/1331490 [No Types Assigned] -
CVE Modified by [email protected]
Mar. 31, 2018
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/103538 [No Types Assigned] -
CVE Modified by [email protected]
Mar. 30, 2018
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1040580 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-0171
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-0171
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
85.08 }} 1.12%
score
0.98477
percentile