JSON gem has Improper Input Validation vulnerability (GHSA-x457-cw4h-hq5f)
Published: 2017-10-24T18:33:37Z
Aliases: CVE-2013-0269
Severity: HIGH · CWE: CWE-20

The JSON gem before 1.5.5, 1.6.x before 1.6.8, and 1.7.x before 1.7.7 for Ruby allows remote attackers to cause a denial of service (resource consumption) or bypass the mass assignment protection mechanism via a crafted JSON document that triggers the creation of arbitrary Ruby symbols or certain internal objects, as demonstrated by conducting a SQL injection attack against Ruby on Rails, aka "Unsafe Object Creation Vulnerability."

Affected packages:
package: ecosystem: RubyGems
name: json
ranges: type: ECOSYSTEM
events: introduced: 0
fixed: 1.5.5
package: ecosystem: RubyGems
name: json
ranges: type: ECOSYSTEM
events: introduced: 1.6.0
fixed: 1.6.8
package: ecosystem: RubyGems
name: json
ranges: type: ECOSYSTEM
events: introduced: 1.7.0
fixed: 1.7.7