CVE Vulnerability

CVE-2022-27881

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

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

Configuration 1

cpe:2.3:a:openbsd:openbsd:7.0:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openbsd:6.9:*:*:*:*:*:*:*
Information

Published : 2022-03-25 06:15

Updated : 2022-05-12 08:05

NVD link : CVE-2022-27881

Mitre link : CVE-2022-27881

Products Affected
No products.
CWE
CWE-120