CVE-2022-27881

Опубликовано: 25 мар. 2022

Источник: nvd

CVSS3: 7.5

CVSS2: 5

EPSS Низкий

Описание

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.

Ссылки

https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html
Exploit
Patch
Third Party Advisory
https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig
Patch
Release Notes
Vendor Advisory
https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig
Patch
Release Notes
Vendor Advisory
https://security.netapp.com/advisory/ntap-20220506-0005/
Third Party Advisory
https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html
Exploit
Patch
Third Party Advisory
https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig
Patch
Release Notes
Vendor Advisory
https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig
Patch
Release Notes
Vendor Advisory
https://security.netapp.com/advisory/ntap-20220506-0005/
Third Party Advisory

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:openbsd:openbsd:6.9:*:*:*:*:*:*:*

cpe:2.3:a:openbsd:openbsd:7.0:*:*:*:*:*:*:*

EPSS

Процентиль: 77%

0.01083

Низкий

7.5 High

CVSS3

5 Medium

CVSS2

Дефекты

CWE-120

Связанные уязвимости

GHSA-c8w2-c5ch-hg9w