What is the severity of CVE-2018-3925?

CVE-2018-3925 is considered a high severity vulnerability due to its potential for remote exploitation via buffer overflow.

How do I fix CVE-2018-3925?

To fix CVE-2018-3925, update your Samsung SmartThings Hub STH-ETH-250 devices to the latest firmware version that addresses this vulnerability.

What devices are affected by CVE-2018-3925?

CVE-2018-3925 affects the Samsung SmartThings Hub STH-ETH-250 devices running firmware version 0.20.17.

Can CVE-2018-3925 lead to remote code execution?

Yes, CVE-2018-3925 can potentially lead to remote code execution due to the buffer overflow in the affected video-core's HTTP server.

How is the AWSELB cookie related to CVE-2018-3925?

The vulnerability in CVE-2018-3925 arises from the insecure parsing of the AWSELB cookie during remote video-host communication.

Vulnerability/
CVE-2018-3925

critical

9.9

CWE

119

23/8/2018

16/9/2024

CVE-2018-3925: Buffer Overflow

First published: Thu Aug 23 2018(Updated: )

An exploitable buffer overflow vulnerability exists in the remote video-host communication of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17. The video-core process insecurely parses the AWSELB cookie while communicating with remote video-host servers, leading to a buffer overflow on the heap. An attacker able to impersonate the remote HTTP servers could trigger 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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Reference Links

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0591

Frequently Asked Questions

What is the severity of CVE-2018-3925?
CVE-2018-3925 is considered a high severity vulnerability due to its potential for remote exploitation via buffer overflow.
How do I fix CVE-2018-3925?
To fix CVE-2018-3925, update your Samsung SmartThings Hub STH-ETH-250 devices to the latest firmware version that addresses this vulnerability.
What devices are affected by CVE-2018-3925?
CVE-2018-3925 affects the Samsung SmartThings Hub STH-ETH-250 devices running firmware version 0.20.17.
Can CVE-2018-3925 lead to remote code execution?
Yes, CVE-2018-3925 can potentially lead to remote code execution due to the buffer overflow in the affected video-core's HTTP server.
How is the AWSELB cookie related to CVE-2018-3925?
The vulnerability in CVE-2018-3925 arises from the insecure parsing of the AWSELB cookie during remote video-host communication.

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