Buffer Overflow Vulnerabilities in vtysh_ubus Binary of Milesight UR32L v32.3.0.5: Arbitrary Code Execution via Specially Crafted HTTP Requests

Buffer Overflow Vulnerabilities in vtysh_ubus Binary of Milesight UR32L v32.3.0.5: Arbitrary Code Execution via Specially Crafted HTTP Requests

CVE-2023-25087 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the firewall_handler_set function with the index and to_dport variables.

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