CVE-2014-7829

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-11-18 · updated 2026-06-17
Weakness: CWE-22

Description

Directory traversal vulnerability in actionpack/lib/action_dispatch/middleware/static.rb in Action Pack in Ruby on Rails 3.x before 3.2.21, 4.0.x before 4.0.12, 4.1.x before 4.1.8, and 4.2.x before 4.2.0.beta4, when serve_static_assets is enabled, allows remote attackers to determine the existence of files outside the application root via vectors involving a \ (backslash) character, a similar issue to CVE-2014-7818.

Affected products

Opensuse: 12.3, 13.1, 13.2
Ruby on Rails: 3.0.0, 3.0.0-beta, 3.0.0-beta2, 3.0.0-beta3, 3.0.0-beta4, 3.0.0-rc (+128)
rubyonrails Ruby On Rails: 3.0.4, 3.2.19, 3.2.20, 4.0.11

References

http://lists.opensuse.org/opensuse-updates/2014-11/msg00112.html
http://www.securityfocus.com/bid/71183
https://groups.google.com/forum/message/raw?msg=rubyonrails-security/rMTQy4oRCGk/loS_CRS8mNEJ
https://puppet.com/security/cve/cve-2014-7829
http://lists.opensuse.org/opensuse-updates/2014-11/msg00112.html
http://www.securityfocus.com/bid/71183
https://groups.google.com/forum/message/raw?msg=rubyonrails-security/rMTQy4oRCGk/loS_CRS8mNEJ
https://puppet.com/security/cve/cve-2014-7829

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