lib/active_support/json/backends/yaml.rb in Ruby on Rails 2.3.x before 2.3.16 and 3.0.x before 3.0.20 does not properly convert JSON data to

Summary

lib/active_support/json/backends/yaml.rb in Ruby on Rails 2.3.x before 2.3.16 and 3.0.x before 3.0.20 does not properly convert JSON data to YAML data for processing by a YAML parser, which allows remote attackers to execute arbitrary code, conduct SQL injection attacks, or bypass authentication via crafted data that triggers unsafe decoding, a different vulnerability than CVE-2013-0156.

Timeline

1. Jan 29, 2013Public exploit on Exploit-DB

   EDB-24434

2. Jan 30, 2013, 11:00 AM UTCCVE published
3. Aug 6, 2024, 2:25 PM UTCRecord last updated
4. Oct 28, 2026EPSS reached 10%

   FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

• n/a n/a

  Version range not reported

• activesupportRubyGems

  From 2.3.2 · fixed in 2.3.16

• activesupportRubyGems

  From 3.0.0 · fixed in 3.0.20

References 15