CVE-2020-8166 — Cross-Site Request Forgery in Rails

CWE-352 — Cross-Site Request Forgery9 documents7 sources
Severity
4.3MEDIUMNVD
EPSS
0.4%
top 36.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Rubyonrails RailsActionpack Project ActionpackHttps Github.com Rails Rails+1 more
Timeline
PublishedJul 2

Description

A CSRF forgery vulnerability exists in rails < 5.2.5, rails < 6.0.4 that makes it possible for an attacker to, given a global CSRF token such as the one present in the authenticity_token meta tag, forge a per-form CSRF token.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶NVDrubyonrails/rails6.0.0 — 6.0.3.1+1
▶Debianrubyonrails/rails< 2:5.2.4.3+dfsg-1+3
▶CVEListV5https/github.com_rails_railsFixed in 5.2.4.3, 6.0.3.1
▶RubyGemsactionpack_project/actionpack5.0.0 — 5.2.4.3+1

Also affects: Debian Linux 10.0

Patches

Patch: groups.google.com ↗Patch: groups.google.com ↗

🔴Vulnerability Details

4
CVEList
CVE-2020-8166: A CSRF forgery vulnerability exists in rails < 5↗2020-07-02
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OSV
CVE-2020-8166: A CSRF forgery vulnerability exists in rails < 5↗2020-07-02
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GHSA
Ability to forge per-form CSRF tokens in Rails↗2020-05-26
▶
OSV
Ability to forge per-form CSRF tokens in Rails↗2020-05-26
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📋Vendor Advisories

2
Red Hat
rubygem-actionpack: ability to forge per-form CSRF tokens given a global CSRF token↗2020-05-18
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Debian
CVE-2020-8166: rails - A CSRF forgery vulnerability exists in rails < 5.2.5, rails < 6.0.4 that makes i...↗2020
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💬Community

2
Bugzilla
CVE-2020-8166 rubygem-actionpack: ability to forge per-form CSRF tokens given a global CSRF token [fedora-all]↗2020-06-02
▶
Bugzilla
CVE-2020-8166 rubygem-actionpack: ability to forge per-form CSRF tokens given a global CSRF token↗2020-06-02
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CVE-2020-8166 — Cross-Site Request Forgery in Rails | cvebase