CVEs-PoC/2021/CVE-2021-23509.md

CVE-2021-23509

Description

This affects the package json-ptr before 3.0.0. A type confusion vulnerability can lead to a bypass of CVE-2020-7766 when the user-provided keys used in the pointer parameter are arrays.

POC

Reference

• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165
• https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291
• https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291

Github

• https://github.com/dellalibera/dellalibera