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Improper Input Validation Affecting rails_multisite package, versions <4.0.0

0.0
medium

Snyk CVSS

    Attack Complexity High
    Privileges Required High
    Confidentiality High
    Availability High

    Threat Intelligence

    EPSS 0.1% (43rd percentile)
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NVD
8.8 high

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  • Snyk ID SNYK-RUBY-RAILSMULTISITE-1921088
  • published 16 Nov 2021
  • disclosed 15 Nov 2021
  • credit Unknown
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Introduced: 15 Nov 2021

CVE-2021-41263 Open this link in a new tab
CWE-200 Open this link in a new tab
CWE-565 Open this link in a new tab

How to fix?

Upgrade rails_multisite to version 4.0.0 or higher.

Overview

rails_multisite is a gem for multi-db support for Rails applications.

Affected versions of this package are vulnerable to Improper Input Validation. Secure/signed cookies share secrets between sites in a multi-site application.

Impact

This vulnerability impacts any Rails applications using rails_multisite alongside Rails' signed/encrypted cookies. Depending on how the application makes use of these cookies, it may be possible for an attacker to re-use cookies on different 'sites' within a multi-site Rails application.