CVE-2018-3892 — HIGH (8.1) — White Hats Nepal

Vulnerability Description

An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted packet can cause a buffer overflow, resulting in code execution. An attacker can intercept and alter network traffic to trigger this vulnerability.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Yitechnology	Yi Home Camera Firmware	1.8.7.0d
Yitechnology	Yi Home Camera	-

Related Weaknesses (CWE)

CWE-120

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0567ExploitTechnical DescriptionThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0567ExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2018-3892?

CVE-2018-3892 is a vulnerability with a CVSS score of 8.1 (HIGH). An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted packet can cause a buffer overflow, resulting in code exec...

How severe is CVE-2018-3892?

CVE-2018-3892 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-3892?

Check the references section above for vendor advisories and patch information. Affected products include: Yitechnology Yi Home Camera Firmware, Yitechnology Yi Home Camera.