PT-2022-17213 · Bignum+1 · Bignum+1

Cristian-Alexandru Staicu · Published 2022-05-06 · Updated 2022-05-17 · CVE-2022-25324

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions bignum (affected versions not specified)

Description The issue is related to a Denial of Service (DoS) due to a type-check exception in V8. When verifying the type of the second argument to the powm function, V8 will crash regardless of Node try/catch blocks. This occurs because of a problem with the type verification of the second argument to the powm function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Prototype Pollution

Weakness Enumeration

CWE-1321

CWE-248

Related Identifiers

CVE-2022-25324

GHSA-6429-3G3W-6MW5

Affected Products

V8

Bignum

References · 8

• 🔥 https://snyk.io/vuln/SNYK-JS-BIGNUM-2388581 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-25324 · Security Note
• https://osv.dev/vulnerability/GHSA-6429-3g3w-6mw5 · Vendor Advisory
• https://github.com/justmoon/node-bignum/blob/ef2e02533e598d6df8421000033c4753cde89ee2/index.js#L111 · Note
• https://github.com/justmoon/node-bignum · Note
• https://github.com/justmoon/node-bignum/blob/ef2e02533e598d6df8421000033c4753cde89ee2/index.js%23L111 · Note
• https://t.me/cibsecurity/42159 · Telegram Post
• https://t.me/cvenotify/30314 · Telegram Post