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[ CVE-2016-0752 · Published 16 Feb 2016 ]

Ruby on Rails Directory Traversal Vulnerability

Exploited · CISA KEV CVSS 7.5 EPSS 96%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-25
  • EPSS: 96% chance of exploitation in the next 30 days (higher than 100% of CVEs)

[ Description ]Official description

Directory traversal vulnerability in Action View in Ruby on Rails 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 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.

CISA: Directory traversal vulnerability in Action View in Ruby on Rails allows remote attackers to read arbitrary files.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Apr 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References