CVEvulnerability
CVE-2017-1000372
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2017-06-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
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.
Affected configurations
• openbsd openbsd (<= 6.1)
References
- http://www.securityfocus.com/bid/99172 Third Party Advisory, VDB Entry
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sig Mailing List, Vendor Advisory
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/99172 Third Party Advisory, VDB Entry
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sig Mailing List, Vendor Advisory
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt Mailing List, Third Party Advisory