CVE-2018-3914: Buffer Overflow
First published: Thu Jul 26 2018(Updated: )
An exploitable stack-based buffer overflow vulnerability exists in the retrieval of database fields in the video-core HTTP server of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy call overflows the destination buffer, which has a size of 2000 bytes. An attacker can send an arbitrarily long "sessionToken" value in order to exploit this vulnerability.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Samsung STH-ETH-250 | =0.20.17 | |
| Samsung STH-ETH-250 Firmware |
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Frequently Asked Questions
What is the severity of CVE-2018-3914?
CVE-2018-3914 is classified as a high severity vulnerability due to the risk of remote exploitation.
How do I fix CVE-2018-3914?
To address CVE-2018-3914, upgrade the Samsung SmartThings Hub STH-ETH-250 firmware to a version later than 0.20.17.
Who is affected by CVE-2018-3914?
CVE-2018-3914 affects users of the Samsung SmartThings Hub STH-ETH-250 running firmware version 0.20.17.
What type of vulnerability is CVE-2018-3914?
CVE-2018-3914 is a stack-based buffer overflow vulnerability that occurs during the retrieval of database fields.
Can exploitation of CVE-2018-3914 lead to complete system takeover?
Yes, successful exploitation of CVE-2018-3914 could allow an attacker to execute arbitrary code on the affected device.
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