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.

Score

CVSS 3.0 9.8 Critical

Status

Modified - cve@mitre.org

Published

2017-06-19

Last modified

2024-08-05

Affected products

• 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