National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-3926 Detail

Current Description

An exploitable integer underflow vulnerability exists in the ZigBee firmware update routine of the hubCore binary of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The hubCore process incorrectly handles malformed files existing in its data directory, leading to an infinite loop, which eventually causes the process to crash. An attacker can send an HTTP request to trigger this vulnerability.

Source:  MITRE
Description Last Modified:  08/28/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/105162 Third Party Advisory VDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0593 Exploit Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Integer Underflow (Wrap or Wraparound) (CWE-191)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-3926
NVD Published Date:
08/28/2018
NVD Last Modified:
11/09/2018