VAR-201909-1498

Vulnerability from variot - Updated: 2024-11-23 22:05

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. Hanwah Techwin SRN-472s and SRN-x The device contains a buffer error vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. Hanwah Techwin SRN-472s is a network video recorder produced by Hanwah Techwin in Korea. NVR WebViewer is a set of web-based surveillance video management system running in it. The NVR WebViewer in Hanwah Techwin SRN-472s version 1.07_190502 and other SRN series products (before 2019-05-03) has a buffer error vulnerability. This vulnerability stems from the incorrect verification of data boundaries when the network system or product performs operations on the memory, resulting in incorrect read and write operations to other associated memory locations. Attackers can exploit this vulnerability to cause buffer overflow or heap overflow, etc

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