Published: 19/06/2017 Updated: 12/08/2017

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 755

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

NetBSD maps the run-time link-editor ld.so directly below the stack region, even if ASLR is enabled, this allows malicious users to more easily manipulate memory leading to arbitrary code execution. This affects NetBSD 7.1 and possibly earlier versions.

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/* * NetBSD_CVE-2017-1000375c (please compile with -O0) * Copyright (C) 2017 Qualys, Inc * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version * ...

NetBSD stack clash proof of concept exploit ...

CWE-119 https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt http://www.securityfocus.com/bid/99257 https://www.exploit-db.com/exploits/42272/https://nvd.nist.gov https://www.exploit-db.com/exploits/42272/

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CVE-2017-1000375

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