Buffer overflow in Yitechnology Yi Home Camera
CVE-2018-3898
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.
Vulnerability class: Buffer Overflow
EPSS: 0.019 (77.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Yitechnology Yi_home_camera
- Yitechnology Yi_home_camera_firmware — versions 1.8.7.0d
- Unknown Yi Technology — versions Yi Technology Home Camera 27US 1.8.7.0D
Weakness classification (CWE)
References
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-3898?
- CVE-2018-3898 is a high-severity vulnerability in Yitechnology Yi Home Camera, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2018-11-02.
- How severe is CVE-2018-3898?
- High severity. CVSS v3 base score is 7.5 out of 10.