Buffer overflow in Yitechnology Yi Home Camera
CVE-2018-3899
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 password_dst field
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.019 (79.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Yitechnology Yi Home Camera
- Yitechnology Yi Home Camera Firmware — versions 1.8.7.0d
- Yi Technology — versions Yi Technology Home Camera 27US 1.8.7.0D
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.talosintelligence.com/vulnerability_reports/TALOS-2018-0571 (Technical Description, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-3899?
- CVE-2018-3899 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-2018-3899?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-3899 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.