CVE-2022-27881
 
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
El archivo engine.c en slaacd en OpenBSD versiones 6.9 y 7.0 anteriores a 21-02-2022, presenta un desbordamiento de búfer desencadenable por un anuncio de enrutador IPv6 con más de siete servidores de nombre. NOTA: la separación de privilegios y la protección pueden prevenir la explotación
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-03-25 CVE Reserved
- 2022-03-25 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2024-10-29 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
References (4)
URL | Tag | Source |
---|---|---|
https://security.netapp.com/advisory/ntap-20220506-0005 | Third Party Advisory |
URL | Date | SRC |
---|---|---|
https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html | 2024-08-03 |
URL | Date | SRC |
---|---|---|
https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig | 2022-05-12 | |
https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig | 2022-05-12 |
URL | Date | SRC |
---|
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Openbsd Search vendor "Openbsd" | Openbsd Search vendor "Openbsd" for product "Openbsd" | 6.9 Search vendor "Openbsd" for product "Openbsd" and version "6.9" | - |
Affected
| ||||||
Openbsd Search vendor "Openbsd" | Openbsd Search vendor "Openbsd" for product "Openbsd" | 7.0 Search vendor "Openbsd" for product "Openbsd" and version "7.0" | - |
Affected
|