CVE-2022-35926

Katalog CVE

CVSS 7.5 · High EPSS 1,2%

Kerentanan Out-of-bounds Read pada contiki-ng. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

Contiki-NG is an open-source, cross-platform operating system for IoT devices. Because of insufficient validation of IPv6 neighbor discovery options in Contiki-NG, attackers can send neighbor solicitation packets that trigger an out-of-bounds read. The problem exists in the module os/net/ipv6/uip-nd6.c, where memory read operations from the main packet buffer, <code>uip_buf</code>, are not checked if they go out of bounds. In particular, this problem can occur when attempting to read the 2-byte option header and the Source Link-Layer Address Option (SLLAO). This attack requires ipv6 be enabled for the network. The problem has been patched in the develop branch of Contiki-NG. The upcoming 4.8 release of Contiki-NG will include the patch.Users unable to upgrade may apply the patch in Contiki-NG PR #1654.

Rincian

Terbit di NVD

4 Agustus 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

1,2% peluang dieksploitasi; lebih tinggi dari 67,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/contiki-ng/contiki-ng/pull/1654 patch · advisory pihak ketiga
• https://github.com/contiki-ng/contiki-ng/pull/1654/commits/a4597001d50a04f4b9c78f323ba731e2f979802c patch · advisory pihak ketiga
• https://github.com/contiki-ng/contiki-ng/releases/tag/release%2Fv4.8 advisory pihak ketiga
• https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-4hpq-4f53-w386 advisory pihak ketiga