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CVE-2024-31225— Lack of size check and buffer overflow in RIOT

Quick assessment

Affected
RIOT-OS RIOT
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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/cord/lc/cord_lc.c 缺乏大小检查，可能会导致缓冲区溢出。

CVSS 8.4 · High EPSS 1.30% · P70
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I. Basic Information for CVE-2024-31225

Vulnerability Information
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Vulnerability Title
Lack of size check and buffer overflow in RIOT
Source: CVE Program / CVE List V5
Vulnerability Description
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 `_on_rd_init()` function does not implement a size check before copying data to the `_result_buf` static buffer. If an attacker can craft a long enough payload, they could cause a buffer overflow. If the unchecked input above is attacker-controlled and crosses a security boundary, the impact of the buffer overflow vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
RIOT RIOT-OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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/cord/lc/cord_lc.c 缺乏大小检查，可能会导致缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
RIOT-OS RIOT <= 2023.10 -

II. Public POCs for CVE-2024-31225

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III. Intelligence Information for CVE-2024-31225

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Vendor Advisories for CVE-2024-31225 (1)

Mailing List Discussions for CVE-2024-31225 (2)

Other References for CVE-2024-31225 (1)

Same Patch Batch · RIOT-OS · 2024-05-01 · 3 CVEs total

CVE-2024-32017 9.8 CRITICAL Buffer overflows in RIOT
CVE-2024-32018 8.8 HIGH Ineffective size check due to assert() and buffer overflow in RIOT

IV. Related Vulnerabilities

Same product: RIOT
Same vendor: RIOT-OS
Same weakness: CWE-120

V. Comments for CVE-2024-31225

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