CVE-2024-32017— RIOT RIOT-OS 安全漏洞

Buffer overflows in RIOT

RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. The size check in the `gcoap_dns_server_proxy_get()` function contains a small typo that may lead to a buffer overflow in the subsequent `strcpy()`. In detail, the length of the `_uri` string is checked instead of the length of the `_proxy` string. The `_gcoap_forward_proxy_copy_options()` function does not implement an explicit size check before copying data to the `cep->req_etag` buffer that is `COAP_ETAG_LENGTH_MAX` bytes long. If an attacker can craft input so that `optlen` becomes larger than `COAP_ETAG_LENGTH_MAX`, they can cause a buffer overflow. If the input above is attacker-controlled and crosses a security boundary, the impact of the buffer overflow vulnerabilities could range from denial of service to arbitrary code execution. This issue has yet to be patched. Users are advised to add manual bounds checking.

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

未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)

RIOT RIOT-OS 安全漏洞

RIOT RIOT-OS是一套应用于物联网领域的操作系统。 RIOT RIOT-OS存在安全漏洞，该漏洞源于 /sys/net/application_layer/gcoap/ 缺乏大小检查，可能会导致缓冲区溢出。

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