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rubygems

7 known vulnerabilities.

rubygems at a glance

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7 results · Feed

  • Medium 4.3

    Denial of service when publishing a package on rubygems.org

    Rubygems.org is the Ruby community's gem hosting service. A Gem publisher can cause a Remote DoS when publishing a Gem. This is due to how Ruby reads the Manifest of Gem files when using Gem::Specification.from_yaml. from_yaml makes use of SafeYAML.load which…

  • Medium 4.8

    rubygems.org MFA Bypass through password reset function could allow account takeover

    Rubygems.org is the Ruby community's gem hosting service. Rubygems.org users with MFA enabled would normally be protected from account takeover in the case of email account takeover. However, a workaround on the forgotten password form allows an attacker to b…

  • High 7.4

    Unauthorized gem replacement for full names ending in numbers on rubygems.org

    rubygems.org is the Ruby community's primary gem (library) hosting service. Insufficient input validation allowed malicious actors to replace any uploaded gem version that had a platform, version number, or gem name matching `/-\d/`, permanently replacing the…

  • High 8.3

    RubyGems allows creation of users with arbitrary unverified emails

    RubyGems.org is the Ruby community gem host. A bug in password & email change confirmation code allowed an attacker to change their RubyGems.org account's email to an unowned email address. Having access to an account whose email has been changed could enable…

  • High 7.7

    Unauthorized takeover for new versions of some platform-specific gems

    RubyGems is a package registry used to supply software for the Ruby language ecosystem. An ordering mistake in the code that accepts gem uploads allowed some gems (with platforms ending in numbers, like `arm64-darwin-21`) to be temporarily replaced in the CDN…

  • Critical 9.9

    Unauthorized gem takeover for some gems on rubygems.org

    Rubygems is a package registry used to supply software for the Ruby language ecosystem. Due to a bug in the yank action, it was possible for any RubyGems.org user to remove and replace certain gems even if that user was not authorized to do so. To be vulnerab…

  • Medium 6.7

    Local Code Execution through Argument Injection via dash leading git url parameter in Gemfile

    `Bundler` is a package for managing application dependencies in Ruby. In `bundler` versions before 2.2.33, when working with untrusted and apparently harmless `Gemfile`'s, it is not expected that they lead to execution of external code, unless that's explicit…