CVE-2022-27881

Katalog CVE

CVSS 7.5 · High EPSS 1,9%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada openbsd. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation.

Rincian

Terbit di NVD

25 Maret 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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

1,9% peluang dieksploitasi; lebih tinggi dari 79,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig patch · release notes · advisory vendor
• https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig patch · release notes · advisory vendor
• https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html exploit · patch · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20220506-0005/ advisory pihak ketiga