CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems. Prior to 2026.07, nanocoap accepts oversized CoAP Block2 option values without enforcing the 20-bit maximum block number, allowing block offset multiplication to overflow on 32-bit targets. The affected master baseline is commit aeeae69e; the verified fix is later on master and remains unreleased. The oversized value passes from coap_get_blockopt() to coap_block_slicer_init(). A remote CoAP client can send a malformed Block2 option that produces an invalid slice range and can cause out-of-bounds memory access, denial of service, or memory corruption. This vulnerability is fixed in 2026.07.
Засегнати продукти
- RIOT-OS RIOT: < 2026.07
Вид слабост
История
- 16 октомври 2026 Публикувано
Други уязвимости в RIOT-OS RIOT
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-102692
- https://nvd.nist.gov/vuln/detail/CVE-2026-102692
- https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-8365-gj33-rgpf
- https://github.com/RIOT-OS/RIOT/commit/6b283ace3565d931b3edff7e115d4f79339253b8
- https://github.com/RIOT-OS/RIOT/commit/ee1fa0ef91874494823d476392572aeefdbc6b74
- https://github.com/RIOT-OS/RIOT/releases/tag/2026.07