Ruby: ReDoS in IPAddr

The Ruby IPAddr library was found to be vulnerable to a ReDoS Regular Expression Denial of Service vulnerability. The vulnerability was identified in the mask! method, which used a regular expression that was susceptible to exponential backtracking when processing malformed input. This could have...

Ruby: ReDoS in Time.rfc2822

A regular expression denial of service ReDoS vulnerability was discovered in the Time.rfc2822 method in Ruby's time library. An attacker could exploit this vulnerability by providing a specially crafted input to the method, causing it to enter an infinite loop and consume excessive CPU resources...

Unspecified vulnerability exists in mruby (CNVD-2022-12747)

mruby is a lightweight implementation of the Ruby language. mruby 3.2 previously had a security vulnerability that stemmed from the use of out-of-range pointer offsets. No detailed vulnerability details are currently available...

RHEL 8 : ruby:2.6 (RHSA-2022:0543)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:0543 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system...

RHEL 8 : ruby:2.5 (RHSA-2022:0545)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2022:0545 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks...

Important: Red Hat Security Advisory: ruby:2.5 security update

An update for the ruby:2.5 module is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. 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...

Important: Red Hat Security Advisory: ruby:2.5 security update

An update for the ruby:2.5 module is now available for Red Hat Enterprise Linux 8. 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...

ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host

Ruby's Net::FTP module trusted the IP address included in the FTP server's response to the PASV command. A malicious FTP server could use this to make Ruby applications using the Net::FTP module to connect to arbitrary hosts and use this to perform port scanning or information extraction from...

ruby: Cookie prefix spoofing in CGI::Cookie.parse

A flaw was found in Ruby. RubyGems cgi gem could allow a remote attacker to conduct spoofing attacks caused by the mishandling of security prefixes in cookie names in the CGI::Cookie.parse function. By sending a specially-crafted request, an attacker could perform cookie prefix spoofing attacks...

rubygem-rdoc: Command injection vulnerability in RDoc

An operating system command injection flaw was found in RDoc. Using the rdoc command to generate documentation for a malicious Ruby source code could lead to execution of arbitrary commands with the privileges of the user running rdoc...

ruby: Regular expression denial of service vulnerability of Date parsing methods

A flaw was found in ruby, where the date object was found to be vulnerable to a regular expression denial of service ReDoS during the parsing of dates. This flaw allows an attacker to hang a ruby application by providing a specially crafted date string. The highest threat to this vulnerability is...

ruby: StartTLS stripping vulnerability in Net::IMAP

Ruby's Net::IMAP module did not raise an exception when receiving an unexpected response to the STARTTLS command and the connection was not upgraded to use TLS. A man-in-the-middle attacker could use this flaw to prevent Ruby applications using Net::IMAP to enable TLS encryption for a connection ...

Important: Red Hat Security Advisory: ruby:2.6 security update

An update for the ruby:2.6 module is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. 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...

Important: Red Hat Security Advisory: ruby:2.6 security update

An update for the ruby:2.6 module is now available for Red Hat Enterprise Linux 8. 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...

ruby: Cookie prefix spoofing in CGI::Cookie.parse

A flaw was found in Ruby. RubyGems cgi gem could allow a remote attacker to conduct spoofing attacks caused by the mishandling of security prefixes in cookie names in the CGI::Cookie.parse function. By sending a specially-crafted request, an attacker could perform cookie prefix spoofing attacks...

ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host

Ruby's Net::FTP module trusted the IP address included in the FTP server's response to the PASV command. A malicious FTP server could use this to make Ruby applications using the Net::FTP module to connect to arbitrary hosts and use this to perform port scanning or information extraction from...

rubygem-rdoc: Command injection vulnerability in RDoc

An operating system command injection flaw was found in RDoc. Using the rdoc command to generate documentation for a malicious Ruby source code could lead to execution of arbitrary commands with the privileges of the user running rdoc...

ruby: Regular expression denial of service vulnerability of Date parsing methods

A flaw was found in ruby, where the date object was found to be vulnerable to a regular expression denial of service ReDoS during the parsing of dates. This flaw allows an attacker to hang a ruby application by providing a specially crafted date string. The highest threat to this vulnerability is...

ruby: StartTLS stripping vulnerability in Net::IMAP

Ruby's Net::IMAP module did not raise an exception when receiving an unexpected response to the STARTTLS command and the connection was not upgraded to use TLS. A man-in-the-middle attacker could use this flaw to prevent Ruby applications using Net::IMAP to enable TLS encryption for a connection ...

Important: Red Hat Security Advisory: ruby:2.5 security update

An update for the ruby:2.5 module is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. 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...