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

CVE-2023-25124 · 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 set_openvpn_client function with the remote_subnet and the remote_mask variables.

Learn more about our Web Application Penetration Testing UK.