high7.5
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openbsd | Openbsd | Versions 6.9, 7.0 |
Weakness classification
References
- NVD record
- CVE.org record
- 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/