CVE-2022-27882
Last modified
CVE-2022-27882 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.88% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openbsd | 6.9 |
| Openbsd | Openbsd | 7.0 |
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
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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- CVE-2022-27881engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 …7.5
- CVE-2022-27883A link following vulnerability in Trend Micro Antivirus for …7.3
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