Description
slaacd in OpenBSD 6.9 and 7.0 before 2022-03-22 has an integer signedness error and resultant heap-based buffer overflow triggerable by a crafted IPv6 router advertisement. NOTE: privilege separation and pledge can prevent exploitation.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.htmlExploit, Third Party Advisory
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/033_slaacd.patch.sigPatch, Release Notes, Vendor Advisory
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/017_slaacd.patch.sigPatch, Release Notes, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220506-0005/Third Party Advisory
- https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.htmlExploit, Third Party Advisory
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/033_slaacd.patch.sigPatch, Release Notes, Vendor Advisory
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/017_slaacd.patch.sigPatch, Release Notes, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220506-0005/Third Party Advisory
Timeline
- Published
- Mar 25, 2022
- Last modified
- Jun 17, 2026
- NVD status
- Modified