CVE-2012-2139: rubygems mail_gem Path Traversal

Vulnerability summary

CVE-2012-2139 is a medium (CVSS 5.0) Path Traversal vulnerability in rubygems mail_gem. EPSS estimates a 4.92% chance of exploitation in the next 30 days, higher than 92% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 18-07-2012
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

Directory traversal vulnerability in lib/mail/network/delivery_methods/file_delivery.rb in the Mail gem before 2.4.4 for Ruby allows remote attackers to read arbitrary files via a .. (dot dot) in the to parameter.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.