PT-2022-9424 · Npm · Object-Extend

Feng Xiao · Published 2022-02-18 · Updated 2022-02-25 · CVE-2021-23702

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 object-extend versions 0.0.0 through 0.5.0

Description The issue concerns Prototype Pollution via the object-extend package. No information is provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

Recommendations For versions 0.0.0 through 0.5.0, update to a version later than 0.5.0 to resolve the issue.

Exploit

Fix

Prototype Pollution

Weakness Enumeration

CWE-1321

Related Identifiers

CVE-2021-23702

GHSA-M639-9WHG-FW97

SNYK-JS-OBJECTEXTEND-2401470

Affected Products

Object-Extend

References · 7

• 🔥 https://snyk.io/vuln/SNYK-JS-OBJECTEXTEND-2401470 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-23702 · Security Note
• https://osv.dev/vulnerability/GHSA-m639-9whg-fw97 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-23702 · Vendor Advisory
• https://github.com/bernhardw/object-extend · Note
• https://t.me/cvenotify/27023 · Telegram Post
• https://t.me/cvenotify/27012 · Telegram Post