CVE-2018-3891: Buffer Overflow
First published: Fri Nov 02 2018(Updated: )
An exploitable firmware downgrade vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted file can cause a logic flaw, resulting in a firmware downgrade. An attacker can insert an SD card to trigger this vulnerability.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Yitechnology Yi Home Camera Firmware | =1.8.7.0d | |
| Yitechnology Yi Home Camera Firmware |
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Frequently Asked Questions
What is the severity of CVE-2018-3891?
The severity of CVE-2018-3891 is considered high due to the potential for unauthorized firmware downgrades.
How do I fix CVE-2018-3891?
To mitigate CVE-2018-3891, ensure that the Yi Home Camera firmware is updated to the latest version provided by the vendor.
Who is affected by CVE-2018-3891?
CVE-2018-3891 affects users of the Yi Home Camera running firmware version 1.8.7.0D.
What type of attack can exploit CVE-2018-3891?
CVE-2018-3891 can be exploited through a firmware downgrade attack using a specially crafted file on an SD card.
What device is impacted by CVE-2018-3891?
The device impacted by CVE-2018-3891 is the Yi Home Camera, specifically the model with firmware version 1.8.7.0D.
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