Vulnerability · Published Nov 3, 2022 · Assigned by Fluid Attacks

CVE-2022-42743deep-parse-json 1.0.2 - Prototype Pollution

Medium 5.3

In plain English

A medium-severity prototype pollution in deep-parse-json. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.7%top 45.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

deep-parse-json version 1.0.2 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the '__proto__' property to be edited.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmdeep-parse-jsonno fix listedGHSA-ff9j-pwxg-q5p2

Affected products (as reported)

VendorProductVersions
n/a deep-parse-json 1.0.2

Weakness: CWE-1321 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References