An issue was discovered in Ruby through 2.6.7 2.7.x through 2.7.3 and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command aka a "StartTLS stripping attack."

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CentOS 8 : ruby:2.7 (CESA-2021:3020)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:3020 advisory. - rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source CVE-2020-36327 - rubygem-rdoc: Command injection...

ruby:2.7 security update

ruby 2.7.4-137 - Upgrade to Ruby 2.7.4. - Fix command injection vulnerability in RDoc. Resolves: rhbz1986768 - Fix FTP PASV command response can cause Net::FTP to connect to arbitrary host. Resolves: rhbz1986812 - Fix StartTLS stripping vulnerability in Net::IMAP. Resolves: rhbz1986813 - Upgrade ...

Oracle Linux 8 : ruby:2.7 (ELSA-2021-3020)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-3020 advisory. ruby 2.7.4-137 - Upgrade to Ruby 2.7.4. - Fix command injection vulnerability in RDoc. Resolves: rhbz1986768 - Fix FTP PASV command response can cause...

CVE-2021-32066

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between th...

DEBIAN-CVE-2021-32066

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between th...

AZL-6861 CVE-2021-32066 affecting package ruby for versions less than 2.7.4-1

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between th...

CVE-2021-32066

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between th...

CVE-2021-32066

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between th...

Code injection

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between th...

CVE-2021-32066

CVE-2021-32066 affects Ruby up to 3.0.1 where Net::IMAP does not raise an exception when StartTLS fails with an unknown response, enabling potential MITM StartTLS stripping. Connected advisories confirm the issue and list affected Ruby versions (2.6.x–3.0.x) and that fixes are provided in newer R...

CVE-2021-32066

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between th...

CVE-2021-32066

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between th...

imap - StartTLS stripping attack

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between th...

UBUNTU-CVE-2021-32066

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between th...

[ASA-202107-24] ruby2.7: multiple issues

Arch Linux Security Advisory ASA-202107-24 ========================================== Severity: High Date : 2021-07-14 CVE-ID : CVE-2021-31810 CVE-2021-32066 Package : ruby2.7 Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-2139 Summary ======= The package ruby2.7...

[ASA-202107-25] ruby2.6: multiple issues

Arch Linux Security Advisory ASA-202107-25 ========================================== Severity: High Date : 2021-07-14 CVE-ID : CVE-2021-31799 CVE-2021-31810 CVE-2021-32066 Package : ruby2.6 Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-2140 Summary ======= The...

Man In The Middle (MitM)

ruby2.7 is vulnerable to Man In the Middle Attack. An attacker may bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a “StartTLS stripping attack.”...

Ruby -- multiple vulnerabilities

Ruby news: This release includes security fixes. Please check the topics below for details. CVE-2021-31810: Trusting FTP PASV responses vulnerability in Net::FTP CVE-2021-32066: A StartTLS stripping vulnerability in Net::IMAP CVE-2021-31799: A command injection vulnerability in RDoc...

CVE-2020-27511

An issue was discovered in the stripTags and unescapeHTML components in Prototype 1.7.3 where an attacker can cause a Regular Expression Denial of Service ReDOS through stripping crafted HTML tags...