CWE
119
Advisory Published
Updated

CVE-2018-3872: Buffer Overflow

First published: Thu Aug 23 2018(Updated: )

An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The video-core process incorrectly extracts the videoHostUrl field from a user-controlled JSON payload, leading to a buffer overflow on the stack. An attacker can send an HTTP request to trigger this vulnerability.

Credit: talos-cna@cisco.com

Affected SoftwareAffected VersionHow 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-2018-3872?

    CVE-2018-3872 is classified as a critical severity vulnerability due to its potential to allow remote code execution.

  • How do I fix CVE-2018-3872?

    To fix CVE-2018-3872, you should update the Samsung SmartThings Hub to the latest firmware version that addresses this vulnerability.

  • Who is affected by CVE-2018-3872?

    CVE-2018-3872 affects users running Samsung SmartThings Hub firmware version 0.20.17.

  • What causes CVE-2018-3872?

    CVE-2018-3872 is caused by a buffer overflow in the credentials handler of the video-core HTTP server due to improper handling of user-controlled JSON payloads.

  • Can CVE-2018-3872 be exploited remotely?

    Yes, CVE-2018-3872 can be exploited remotely, allowing attackers to send malicious JSON payloads to the affected device.

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