PT-2020-6067 · Unknown · Property-Expr

Nerdjs · CVE-2020-7707 · Published 2020-08-18 · Updated 2022-12-02

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions property-expr versions prior to 2.0.3

Description The issue is related to Prototype Pollution via the setter function. It may allow a remote attacker to perform a prototype pollution attack by exploiting uncontrolled modification of object prototype attributes.

Recommendations For property-expr versions prior to 2.0.3, update to version 2.0.3 or later to resolve the issue.

Exploit

Fix

Prototype Pollution

Weakness Enumeration

CWE-1321

CWE-915

Related Identifiers

BDU:2021-02879

CVE-2020-7707

GHSA-6FW4-HR69-G3RV

SNYK-JAVA-ORGWEBJARSNPM-598857

SNYK-JS-PROPERTYEXPR-598800

Affected Products

Property-Expr

References · 7

• 🔥 https://snyk.io/vuln/SNYK-JS-PROPERTYEXPR-598800 · Exploit
• 🔥 https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857 · Exploit
• https://github.com/jquense/expr/commit/df846910915d59f711ce63c1f817815bceab5ff7 · Patch
• https://bdu.fstec.ru/vul/2021-02879 · Security Note
• https://osv.dev/vulnerability/GHSA-6fw4-hr69-g3rv · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-7707 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-7707 · Security Note