Vulnerability Details : CVE-2022-27881
Potential exploit
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.
Vulnerability category: Overflow
Products affected by CVE-2022-27881
- cpe:2.3:a:openbsd:openbsd:6.9:*:*:*:*:*:*:*
- cpe:2.3:a:openbsd:openbsd:7.0:*:*:*:*:*:*:*
Threat overview for CVE-2022-27881
Top countries where our scanners detected CVE-2022-27881
Top open port discovered on systems with this issue
22
IPs affected by CVE-2022-27881 40,824
Threat actors abusing to this issue?
Yes
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affected by CVE-2022-27881!
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2022-27881
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-27881
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2022-27881
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-27881
-
https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html
Heap Overflow in OpenBSD's slaacd via Router AdvertisementExploit;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/
April 2022 OpenBSD Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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