Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.011
EPSS Ranking 76.8%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig
- https://security.netapp.com/advisory/ntap-20220506-0005/
- https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig
- https://security.netapp.com/advisory/ntap-20220506-0005/