CWE
119 120
Advisory Published
Updated

CVE-2018-3876: Buffer Overflow

First published: Fri Sep 21 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 strncpy overflows the destination buffer, which has a size of 64 bytes. An attacker can send an arbitrarily long "bucket" value in order to exploit 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-2018-3876?

    CVE-2018-3876 is considered a high severity vulnerability due to its buffer overflow nature, which can lead to remote code execution.

  • How do I fix CVE-2018-3876?

    To fix CVE-2018-3876, update the Samsung SmartThings Hub to the latest firmware version that addresses this vulnerability.

  • What systems are affected by CVE-2018-3876?

    CVE-2018-3876 specifically affects Samsung SmartThings Hub running firmware version 0.20.17.

  • Can CVE-2018-3876 be exploited remotely?

    Yes, CVE-2018-3876 can be exploited remotely by an attacker sending specially crafted requests to the affected SmartThings Hub.

  • What are the potential impacts of exploiting CVE-2018-3876?

    Exploitation of CVE-2018-3876 can lead to unauthorized access and control over the affected device, potentially compromising the entire smart home network.

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