Vulnerability Details CVE-2019-12223
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 64.0%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 7.8
References
- https://gist.github.com/dustinnoe/66f91573a0080c9fb2c21819d8805a82
- https://medium.com/%40noe.dustin/samsung-webviewer-remote-dos-vulberability-cve-2019-12223-5f4afbc83fbd
- https://www.hanwha-security.com/en/products/video-recorder/nvr/ch4/SRN-472S/overview/
- https://gist.github.com/dustinnoe/66f91573a0080c9fb2c21819d8805a82
- https://medium.com/%40noe.dustin/samsung-webviewer-remote-dos-vulberability-cve-2019-12223-5f4afbc83fbd
- https://www.hanwha-security.com/en/products/video-recorder/nvr/ch4/SRN-472S/overview/
Products affected by CVE-2019-12223
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cpe:2.3:h:hanwha-security:srn-1673s:-
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cpe:2.3:h:hanwha-security:srn-472s:-
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cpe:2.3:h:hanwha-security:srn-873s:-
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cpe:2.3:o:hanwha-security:srn-1673s_firmware:-
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cpe:2.3:o:hanwha-security:srn-472s_firmware:1.07_190502
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cpe:2.3:o:hanwha-security:srn-873s_firmware:-