PT-2021-16874 · Unknown · Expand-Hash

Published 2021-06-10 · Updated 2021-09-20 · CVE-2021-25948

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 expand-hash versions 0.1.0 through 1.0.1

Description The issue allows an attacker to cause a denial of service and may lead to remote code execution due to a prototype pollution vulnerability.

Recommendations For versions 0.1.0 through 1.0.1, update to a version that fixes the prototype pollution issue to prevent potential denial of service and remote code execution attacks.

Exploit

Fix

Prototype Pollution

Weakness Enumeration

CWE-1321

CWE-915

Related Identifiers

CVE-2021-25948

GHSA-X3WR-V4WX-5QPC

Affected Products

Expand-Hash

References · 6

• 🔥 https://github.com/doowb/expand-hash/blob/556913f6c2f05848110b5b8261cfc78e5ce3dc77/index.js#L19 · Exploit
• 🔥 https://whitesourcesoftware.com/vulnerability-database/CVE-2021-25948 · Exploit
• https://osv.dev/vulnerability/GHSA-x3wr-v4wx-5qpc · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-25948 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-25948 · Security Note
• https://github.com/doowb/expand-hash · Note