CVE-2017-1000372 : A flaw exists in OpenBSD's implementation of the stack guard page that allows at

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.

Published 2017-06-19 16:29:00

Updated 2019-10-03 00:03:26

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2017-1000372

Openbsd » Openbsd
Versions up to, including, (<=) 6.1
cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2017-1000372

EPSS FAQ

0.66%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 79 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-1000372

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2017-1000372

http://www.securityfocus.com/bid/99172

OpenBSD CVE-2017-1000372 Security Bypass Vulnerability
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

CVEs referencing this url

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Vulnerability Details : CVE-2017-1000372

Products affected by CVE-2017-1000372

Exploit prediction scoring system (EPSS) score for CVE-2017-1000372

CVSS scores for CVE-2017-1000372

References for CVE-2017-1000372