CVE-2017-1000378

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CVE-2017-1000378

Summary:

Details: The NetBSD qsort() function is recursive, and not randomized, an attacker can construct a pathological input array of N elements that causes qsort() to deterministically recurse N/4 times. This allows attackers to consume arbitrary amounts of stack memory and manipulate stack memory to assist in arbitrary code execution attacks. This affects NetBSD 7.1 and possibly earlier versions.

References: , http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/stdlib/qsort.c?rev=1.23&content-type=text/x-cvsweb-markup, http://www.securityfocus.com/bid/99255, https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt