CVE-2020-8165

CVE-2020-8165 Ruby on Rails 교육 목적으로만 사용하세요. 자세한 내용은 참고문헌을 확인하세요. 환경 Ruby: 2.6.3 Rails: 5.2.3 실행 $ git clone https://github.com/masahiro331/CVE-2020-8165.git $ bundle install --path vendor/bundle $ bundle exec rails db:migrate $ bundle exec rails s use redis $ docker run -d -p 6379:6379 redis 익스플로...

cve-2019-5420-POC

Rails ActiveSupport 漏洞利用 cve-2019-5420 PoC（可用于链式攻击 CVE-2019-5418！） 与 CVE-2019-5418 完美搭配！ PoC 截图 🚨 警告 本仓库包含一个概念验证（PoC）漏洞利用 ，演示了通过滥用 ActiveSupport::MessageVerifier 在 Ruby on Rails 应用程序中实现远程代码执行（RCE） 。请负责任地使用！ 📌 概述 该脚本通过利用精心构造的 ERB 对象 （包裹在 DeprecatedInstanceVariableProxy 中）来利用 ActiveSupport 反序列化漏洞...

ruby-RCE-CVE-2019-5420-

Ruby 逆シリアル化（CVE-2019-5420） https://github.com/PenTestical/CVE-2019-5420 参照： 1 Ruby on Rails コマンド実行脆弱性ペイロード実装プロセス https://hackerone.com/reports/473888 ActiveSupport::MessageVerifier と ActiveSupport::MessageEncryptor はデフォルトのシリアライザとして Marshal を使用するため、オブジェクトインジェクションによる RCE が可能であることを確認しました。...

CVE-2026-54498: Improper Neutralization of Input During Web Page Generation

viewcomponent is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 4.0.0 until 4.12.0, ViewComponent::Basearoundrender can return HTML-unsafe strings that bypass the escaping behavior applied to normal call return values. This creates an XSS risk...

The vulnerability of the activesupport component in the Ruby on Rails software framework allows a hacker to trigger a service failure.

The vulnerability of the activesupport component in the Ruby on Rails software framework is related to an uncontrolled resource consumption. Exploiting this vulnerability can allow a malicious actor to cause service failures...

The vulnerability of the activesupport component in the Ruby on Rails software framework allows a hacker to trigger a service failure.

The vulnerability of the activesupport component in the Ruby on Rails software framework is related to the unlimited distribution of resources. Exploiting this vulnerability can allow a malicious actor to cause service failures remotely...

The vulnerability of the activesupport component in the Ruby on Rails software framework allows a hacker to trigger a service failure.

The vulnerability of the activesupport component in the Ruby on Rails software framework is related to the use of a regular expression with inefficient computational complexity. Exploiting this vulnerability could allow an attacker to cause service failures...

The vulnerability of the activesupport component of the Ruby on Rails software framework allows a hacker to execute arbitrary code.

The vulnerability of the activesupport component in the Ruby on Rails software framework is related to the lack of protective measures for the website structure. Exploiting this vulnerability allows a malicious actor to execute arbitrary code remotely...

Malicious Package

Overview knot-activesupport-logger is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

ROS-20260508-73-0004

Vulnerability in rubygem-activesupport related to failure to take measures to protect web page structure. Exploitation of the vulnerability could allow an attacker acting remotely to execute arbitrary code...

ROS-20260508-73-0002

Vulnerability in rubygem-activesupport related to the use of regular expression with inefficient computational complexity. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...

Important: Red Hat Security Advisory: Satellite 6.16.8 Async Update

An update is now available for Red Hat Satellite 6.16 for RHEL 8 and RHEL 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

RHEL 8 / 9 : Satellite 6.16.8 Async Update (Important) (RHSA-2026:14874)

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:14874 advisory. Red Hat Satellite is a system management solution that allows organizations to configure and maintain their systems without the necessi...

ROS-20260506-73-0041

Vulnerability in rubygem-activesupport related to uncontrolled resource consumption. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...

RHCOS 6 : rubygem-activesupport (RHSA-2013:0202)

The remote Red Hat Enterprise Linux CoreOS 6 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2013:0202 advisory. - rubygem-activesupport: json to yaml parsing CVE-2013-0333 Note that Nessus has not tested for this issue but has instead relied only on the...

RHCOS 6 : Ruby on Rails (RHSA-2013:0153)

The remote Red Hat Enterprise Linux CoreOS 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2013:0153 advisory. - rubygem-activesupport: Multiple vulnerabilities in parameter parsing in ActionPack CVE-2013-0156 Note that Nessus has not tested for this...

PT-2026-33982

Name of the Vulnerable Software and Affected Versions ERB versions prior to 6.0.1.1 ERB versions prior to 6.0.4 ERB versions prior to 4.0.3.1 ERB versions prior to 4.0.4.1 Ruby versions prior to 4.0.3 Description A deserialization guard bypass exists in ERB involving the init variable. This issue...

Important Photon OS Security Update - PHSA-2026-4.0-0995

Updates of 'python3-PyJWT', 'libtiff', 'python3-pyasn1', 'rubygem-rdiscount', 'rubygem-activesupport', 'nodejs' packages of Photon OS have been released...

Critical Photon OS Security Update - PHSA-2026-5.0-91-0802

Updates of 'python3', 'python3-pyOpenSSL', 'libpng', 'strongswan', 'python3-requests', 'nghttp2', 'sqlite', 'glibc', 'rubygem-activesupport', 'etcd', 'python3-Pygments' packages of Photon OS have been released...

Cross-site Scripting (XSS)

Overview activesupport is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the @htmlunsafe flag used by the SafeBuffer% function. An attacker can inject scripts by providing...