CVE-2017-1000372
CRITICALOpenBSD < 6.1 - Arbitrary Code Execution via Stack Guard Page Bypass
Title source: llmDescription
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.
References (3)
Core 3
Core References
Mailing List, Third Party Advisory x_refsource_misc
https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/99172
Mailing List, Vendor Advisory x_refsource_misc
https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sig
Scores
CVSS v3
9.8
EPSS
0.0086
EPSS Percentile
75.3%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (1)
openbsd/openbsd
< 6.1
Published
Jun 19, 2017
Tracked Since
Feb 18, 2026