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---
gem: activejob
date: 2018-11-27
url: https://groups.google.com/forum/#!topic/rubyonrails-security/FL4dSdzr2zw
cve: 2018-16476
title: Broken Access Control vulnerability in Active Job
description: |
  There is a vulnerability in Active Job. This vulnerability has been
  assigned the CVE identifier CVE-2018-16476.

  Versions Affected: >= 4.2.0
  Not affected: < 4.2.0
  Fixed Versions: 4.2.11, 5.0.7.1, 5.1.6.1, 5.2.1.1

  Impact
  ------
  Carefully crafted user input can cause Active Job to deserialize it using GlobalId
  and allow an attacker to have access to information that they should not have.

  Vulnerable code will look something like this:

      MyJob.perform_later(user_input)

  All users running an affected release should either upgrade or use one of the
  workarounds immediately.
unaffected_versions:
- "< 4.2.0"
patched_versions:
- "~> 4.2.11"
- "~> 5.0.7.1"
- "~> 5.1.6.1"
- ">= 5.2.1.1"