TCP SACK Security Issue in OpenBSD – CVE-2019-8460

Reuven Plevinsky and Tal Vainshtein Background Following the recent hype over the TCP networking vulnerabilities found by Netflix in Linux and FreeBSD, for which Check Point quickly responded and provided protection, we have researched several implementations of Selective ACK mechanism. One of these implementations was OpenBSD. OpenBSD is a free, open-source operating system based on... Click to Read More

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Article Link: http://research.checkpoint.com/tcp-sack-security-issue-in-openbsd-cve-2019-8460/