CVE-2017-1000372

EUVD-2017-1531
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
Affected Products (NVD)
VendorProductVersion
openbsdopenbsd
𝑥
≤ 6.1
𝑥
= Vulnerable software versions
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