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CVE-2018-16476

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Date: November 30, 2018

A Broken Access Control vulnerability in Active Job versions >= 4.2.0 allows an attacker to craft user input which can cause Active Job to deserialize it using GlobalId and give them access to information that they should not have. This vulnerability has been fixed in versions 4.2.11, 5.0.7.1, 5.1.6.1, and 5.2.1.1.

Language: Ruby

Severity Score

Related Resources (10)

https://github.com/rails/rails/commit/970b0d754be7c71a760d9b807eea32297fd838e3
https://github.com/rails/rails
https://nvd.nist.gov/vuln/detail/CVE-2018-16476
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activejob/CVE-2018-16476.yml
https://weblog.rubyonrails.org/2018/11/27/Rails-4-2-5-0-5-1-5-2-have-been-released
https://weblog.rubyonrails.org/2018/11/27/Rails-4-2-5-0-5-1-5-2-have-been-released/
https://access.redhat.com/errata/RHSA-2019:0600
https://groups.google.com/d/msg/rubyonrails-security/FL4dSdzr2zw/zjKVhF4qBAAJ
https://groups.google.com/forum/#!topic/rubyonrails-security/FL4dSdzr2zw
https://www.mend.io/vulnerability-database/CVE-2018-16476

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

Improper Access Control

CWE-284

Input Validation

CWE-20

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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