Buffer overflow in Riot-os Riot
CVE-2024-32017
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 ma…
Vulnerability class: Buffer Overflow
EPSS: 0.016 (82.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Riot-os Riot — versions <= 2023.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-v97j-w9m6-c4h3 (x_refsource_CONFIRM)
- https://github.com/RIOT-OS/RIOT/blob/master/sys/net/application_layer/gcoap/dns.c#L319-L325 (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/blob/master/sys/net/application_layer/gcoap/forward_proxy.c#L352 (x_refsource_MISC)
- www.openwall.com/lists/oss-security/2024/05/07/3
- seclists.org/fulldisclosure/2024/May/7
Frequently asked questions
- What is CVE-2024-32017?
- CVE-2024-32017 is a critical-severity vulnerability in Riot-os Riot, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2024-05-01.
- How severe is CVE-2024-32017?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2024-32017 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.