CVE-2018-8777

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CVE-2018-8777

Summary:

Details: In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker can pass a large HTTP request with a crafted header to WEBrick server or a crafted body to WEBrick server/handler and cause a denial of service (memory consumption).

References: http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html, http://www.securityfocus.com/bid/103683, http://www.securitytracker.com/id/1042004, https://access.redhat.com/errata/RHSA-2018:3729, https://access.redhat.com/errata/RHSA-2018:3730, https://access.redhat.com/errata/RHSA-2018:3731, https://access.redhat.com/errata/RHSA-2019:2028, https://access.redhat.com/errata/RHSA-2020:0542, https://access.redhat.com/errata/RHSA-2020:0591, https://access.redhat.com/errata/RHSA-2020:0663, https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html, https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html, https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html, https://usn.ubuntu.com/3685-1/, https://www.debian.org/security/2018/dsa-4259, https://www.ruby-lang.org/en/news/2018/03/28/large-request-dos-in-webrick-cve-2018-8777/, https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/, https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/, https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/, https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/