CVE-2020-15366
"Ajv Prototype Pollution Vulnerability"
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.)
INFO
Published Date :
July 15, 2020, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 5:05 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected packages to resolve this vulnerability.
- If using Red Hat, refer to the referenced advisories and update.
Public PoC/Exploit Available at Github
CVE-2020-15366 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-15366.
| URL | Resource |
|---|---|
| https://github.com/ajv-validator/ajv/releases/tag/v6.12.3 | Release Notes Third Party Advisory |
| https://github.com/ajv-validator/ajv/tags | Third Party Advisory |
| https://hackerone.com/bugs?subject=user&report_id=894259 | Permissions Required |
| https://security.netapp.com/advisory/ntap-20240621-0007/ | |
| https://github.com/ajv-validator/ajv/releases/tag/v6.12.3 | Release Notes Third Party Advisory |
| https://github.com/ajv-validator/ajv/tags | Third Party Advisory |
| https://hackerone.com/bugs?subject=user&report_id=894259 | Permissions Required |
| https://security.netapp.com/advisory/ntap-20240621-0007/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-15366 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-15366
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Simple tool to parse json output of Snyk and output something that can be imported in Word or Excel (I use this when writing reports)
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-15366 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-15366 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/ajv-validator/ajv/releases/tag/v6.12.3 Added Reference https://github.com/ajv-validator/ajv/tags Added Reference https://hackerone.com/bugs?subject=user&report_id=894259 Added Reference https://security.netapp.com/advisory/ntap-20240621-0007/ -
CVE Modified by [email protected]
Jun. 21, 2024
Action Type Old Value New Value Added Reference MITRE https://security.netapp.com/advisory/ntap-20240621-0007/ [No types assigned] -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Dec. 02, 2022
Action Type Old Value New Value Removed CWE NIST CWE-915 Added CWE NIST CWE-1321 -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-20 CWE-915 -
Reanalysis by [email protected]
Jul. 28, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L -
Initial Analysis by [email protected]
Jul. 22, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/ajv-validator/ajv/releases/tag/v6.12.3 No Types Assigned https://github.com/ajv-validator/ajv/releases/tag/v6.12.3 Release Notes, Third Party Advisory Changed Reference Type https://github.com/ajv-validator/ajv/tags No Types Assigned https://github.com/ajv-validator/ajv/tags Third Party Advisory Changed Reference Type https://hackerone.com/bugs?subject=user&report_id=894259 No Types Assigned https://hackerone.com/bugs?subject=user&report_id=894259 Permissions Required Added CWE NIST CWE-20 Added CPE Configuration OR *cpe:2.3:a:ajv.js:ajv:6.12.2:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 5.6
Base CVSS Score: 6.8
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.33 }} 0.09%
score
0.55390
percentile