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CVE-2017-1000372

Date: June 19, 2017

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.

Language: C

Severity Score

Related Resources (5)

https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
https://nvd.nist.gov/vuln/detail/CVE-2017-1000372
http://www.securityfocus.com/bid/99172
https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sig
https://www.mend.io/vulnerability-database/CVE-2017-1000372

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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