Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openbsd | <= 6.1 |
References
- http://www.securityfocus.com/bid/99172Third Party AdvisoryVDB Entry
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sigMailing ListVendor Advisory
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/99172Third Party AdvisoryVDB Entry
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sigMailing ListVendor Advisory
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtMailing ListThird Party Advisory
FAQ
What is CVE-2017-1000372?
CVE-2017-1000372 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 OpenB...
How severe is CVE-2017-1000372?
CVE-2017-1000372 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-1000372?
Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openbsd.