CVE-2016-2097

Severity: medium (CVSS 5.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-04-07 · updated 2026-06-17
Weakness: CWE-22

Description

Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.2 and 4.x before 4.1.14.2 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a .. (dot dot) in a pathname. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-0752.

Affected products

Ruby on Rails: 4.0.0, 4.0.0-beta, 4.0.0-rc1, 4.0.0-rc2, 4.0.1, 4.0.1-rc1 (+43)
rubyonrails Ruby On Rails: through 3.2.22.1; 4.1.14.1

References

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00080.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00083.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00006.html
http://weblog.rubyonrails.org/2016/2/29/Rails-4-2-5-2-4-1-14-2-3-2-22-2-have-been-released/
http://www.debian.org/security/2016/dsa-3509
http://www.securityfocus.com/bid/83726
http://www.securitytracker.com/id/1035122
https://groups.google.com/forum/message/raw?msg=rubyonrails-security/ddY6HgqB2z4/we0RasMZIAAJ
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00080.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00083.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00006.html
http://weblog.rubyonrails.org/2016/2/29/Rails-4-2-5-2-4-1-14-2-3-2-22-2-have-been-released/

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