CVE-2017-1000372
9.8
CRITICAL · CVSS 3.0 · EPSS 4% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.96% — more likely to be exploited than 90% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-06-19 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| openbsd | openbsd |
References
- http://www.securityfocus.com/bid/99172
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sig
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
- http://www.securityfocus.com/bid/99172
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sig
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
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