CVE-2018-8778

原文の説明

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 controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure.

影響を受けるソフトウェア

• Ruby = 2.6.0≥ 2.2.0 < 2.2.10≥ 2.3.0 < 2.3.7≥ 2.5.0 < 2.5.1≥ 2.4.0 < 2.4.4 修正バージョン: 2.2.10, 2.3.7, 2.5.1, 2.4.4 完全一致

詳細

公開日

2018-04-04

最終更新

2024-08-05

CVSS ベクター

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

参考資料

• cve.org/CVE-2018-8778
• nvd.nist.gov/vuln/detail/CVE-2018-8778
• www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/
• access.redhat.com/errata/RHSA-2018:3729
• usn.ubuntu.com/3626-1/
• www.securitytracker.com/id/1042004
• access.redhat.com/errata/RHSA-2018:3730
• lists.debian.org/debian-lts-announce/2018/04/msg00023.html
• access.redhat.com/errata/RHSA-2018:3731
• www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/
• www.ruby-lang.org/en/news/2018/03/28/buffer-under-read-unpack-cve-2018-8778/
• lists.debian.org/debian-lts-announce/2018/07/msg00012.html
• www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/
• www.debian.org/security/2018/dsa-4259