Vulnerability Description
An issue was discovered in NVR WebViewer on Hanwah Techwin SRN-472s 1.07_190502 devices, and other SRN-x devices before 2019-05-03. A system crash and reboot can be achieved by submitting a long username in excess of 117 characters. The username triggers a buffer overflow in the main process controlling operation of the DVR system, rendering services unavailable during the reboot operation. A repeated attack affects availability as long as the attacker has network access to the device.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hanwha-Security | Srn-472S Firmware | 1.07_190502 |
| Hanwha-Security | Srn-472S | - |
| Hanwha-Security | Srn-873S Firmware | < 2019-05-03 |
| Hanwha-Security | Srn-873S | - |
| Hanwha-Security | Srn-1673S Firmware | < 2019-05-03 |
| Hanwha-Security | Srn-1673S | - |
Related Weaknesses (CWE)
References
- https://gist.github.com/dustinnoe/66f91573a0080c9fb2c21819d8805a82ExploitThird Party Advisory
- https://medium.com/%40noe.dustin/samsung-webviewer-remote-dos-vulberability-cve-
- https://www.hanwha-security.com/en/products/video-recorder/nvr/ch4/SRN-472S/overProduct
- https://gist.github.com/dustinnoe/66f91573a0080c9fb2c21819d8805a82ExploitThird Party Advisory
- https://medium.com/%40noe.dustin/samsung-webviewer-remote-dos-vulberability-cve-
- https://www.hanwha-security.com/en/products/video-recorder/nvr/ch4/SRN-472S/overProduct
FAQ
What is CVE-2019-12223?
CVE-2019-12223 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in NVR WebViewer on Hanwah Techwin SRN-472s 1.07_190502 devices, and other SRN-x devices before 2019-05-03. A system crash and reboot can be achieved by submitting a long usern...
How severe is CVE-2019-12223?
CVE-2019-12223 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-2019-12223?
Check the references section above for vendor advisories and patch information. Affected products include: Hanwha-Security Srn-472S Firmware, Hanwha-Security Srn-472S, Hanwha-Security Srn-873S Firmware, Hanwha-Security Srn-873S, Hanwha-Security Srn-1673S Firmware.