Vulnerability CVE-2020-15366


Published: 2020-07-15   Modified: 2020-07-16

Description:
An issue was discovered in ajv.validate() in Ajv (aka Another JSON Schema Validator) 6.12.2. A carefully crafted JSON schema could be provided that allows execution of other code by prototype pollution. (While untrusted schemas are recommended against, the worst case of an untrusted schema should be a denial of service, not execution of code.)

Type:

CWE-20

(Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Ajv.js -> AJV 

 References:
https://github.com/ajv-validator/ajv/releases/tag/v6.12.3
https://github.com/ajv-validator/ajv/tags
https://hackerone.com/bugs?subject=user&report_id=894259

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