CVE-2015-7577 Active Record Improper Access Control

Medium 5.3 Published Updated

Attackers can bypass intended change restrictions in nested attributes due to improper destroy option implementation in Active Record.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2015-7577?

CVE-2015-7577 is a medium-severity vulnerability in Rubyonrails Rails, published on 16 Feb 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

activerecord/lib/active_record/nested_attributes.rb in Active Record in Ruby on Rails 3.1.x and 3.2.x before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not properly implement a certain destroy option, which allows remote attackers to bypass intended change restrictions by leveraging use of the nested attributes feature.

Weakness: CWE-284

Which versions are affected by CVE-2015-7577?

8 open source packages ship an affected version, including activerecord. It affects 2 products.

PackageAffectedFixed in
activerecord RubyGemsFrom 3.1.03.2.22.1
activerecord RubyGemsFrom 3.1.03.2.22.1
activerecord RubyGemsFrom 4.0.04.1.14.1
activerecord RubyGemsFrom 4.0.04.1.14.1
activerecord RubyGemsFrom 4.2.04.2.5.1
activerecord RubyGemsFrom 4.2.04.2.5.1
2 more packages
activerecord RubyGemsFrom 5.0.0.beta15.0.0.beta1.1
activerecord RubyGemsFrom 5.0.0.beta15.0.0.beta1.1
Linux distribution packages (4)
rubygem-activerecord-3_2 SUSE:Lifecycle Management Server 1.3All versions3.2.12-0.15.1
rubygem-activerecord-3_2 SUSE:Linux Enterprise Software Development Kit 11 SP4All versions3.2.12-0.15.1
rubygem-activerecord-3_2 SUSE:Studio Onsite 1.3All versions3.2.12-0.15.1
rubygem-activerecord-3_2 SUSE:WebYast 1.3All versions3.2.12-0.15.1

Products include Rubyonrails Rails, Rubyonrails Ruby on Rails.

How do I fix CVE-2015-7577?

Upgrade activerecord to a fixed version for your release line: 3.2.22.1, 4.1.14.1, 4.2.5.1 or 5.0.0.beta1.1.

Is CVE-2015-7577 being exploited?

There is no known exploitation of CVE-2015-7577 in the wild and no public exploit code.

All Rubyonrails Rails vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-7577, DLA-496-1, GHSA-xrr6-3pc4-m447, SUSE-SU-2016:0619-1.

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