CVE-2017-1000372
UnknownEPSS 3.96%
Last modified
CVE-2017-1000372 is a vulnerability of currently unknown severity. A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass it resulting in arbitrary code execution using setuid binaries such as /usr/bin/at. This affects OpenBSD 6.1 and possibly earlier versions.. EPSS estimates a 3.96% chance of exploitation in the next 30 days.
Description
A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass it resulting in arbitrary code execution using setuid binaries such as /usr/bin/at. This affects OpenBSD 6.1 and possibly earlier versions.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openbsd | <= 6.1 |
References
- http://www.securityfocus.com/bid/99172Third Party Advisory, VDB Entry
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sigMailing List, Vendor Advisory
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtMailing List, Third Party Advisory
- http://www.securityfocus.com/bid/99172Third Party Advisory, VDB Entry
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sigMailing List, Vendor Advisory
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-1000372?
A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass it resulting in arbitrary code execution using setuid binaries such as /usr/bin/at. This affects OpenBSD 6.1 and possibly earlier versions.
How severe is CVE-2017-1000372?
Severity scoring for CVE-2017-1000372 is pending analysis. The EPSS model estimates a 3.96% probability of exploitation in the next 30 days.
How do I fix CVE-2017-1000372?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
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Are you affected by CVE-2017-1000372?
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