CVE-2018-3898 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted QR Code can cause a buffer overflow, resulting in code execution. The trans_info call can overwrite a buffer of size 0x104, which is more than enough to overflow the return address from the ssid_dst field.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

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-2018-0571ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0571ExploitThird Party Advisory

FAQ

What is CVE-2018-3898?

CVE-2018-3898 is a vulnerability with a CVSS score of 7.5 (HIGH). An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted QR Code can cause a buffer overflow, resulting in code exe...

How severe is CVE-2018-3898?

CVE-2018-3898 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-3898?

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