CVE-2022-27881

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.5 /10

CVSS v3 : 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

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
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
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:openbsd:openbsd:6.9:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openbsd:7.0:*:*:*:*:*:*:*
History

12 May 2022, 20:05

Type Values Removed Values Added
References (CONFIRM) https://security.netapp.com/advisory/ntap-20220506-0005/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20220506-0005/ - Third Party Advisory

06 May 2022, 14:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20220506-0005/ -

05 Apr 2022, 19:17

Type Values Removed Values Added
First Time Openbsd
Openbsd openbsd
CWE CWE-120
CPE cpe:2.3:a:openbsd:openbsd:6.9:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openbsd:7.0:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References (MISC) https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig - (MISC) https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig - Patch, Release Notes, Vendor Advisory
References (MISC) https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html - (MISC) https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html - Exploit, Patch, Third Party Advisory
References (MISC) https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig - (MISC) https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig - Patch, Release Notes, Vendor Advisory

25 Mar 2022, 18:46

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-25 18:15

Updated : 2023-12-10 14:22

NVD link : CVE-2022-27881

Mitre link : CVE-2022-27881

CVE.ORG link : CVE-2022-27881

JSON object : View

Products Affected

openbsd

  • openbsd
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')