Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allow_duplicate_key: false parsing option is used to parse user supplied documents. This issue has been patched in versions 2.15.2.1, 2.17.1.2, and 2.19.2.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 3
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Ruby-Lang Json
cpe:2.3:a:ruby-lang:json:*:*:*:*:*:ruby:*:*
|
2.14.0
|
2.15.2.1
|
|
Ruby-Lang Json
cpe:2.3:a:ruby-lang:json:*:*:*:*:*:ruby:*:*
|
2.16.0
|
2.17.1.2
|
|
Ruby-Lang Json
cpe:2.3:a:ruby-lang:json:*:*:*:*:*:ruby:*:*
|
2.18.0
|
2.19.2
|