PT-2022-14913 · Convict · Convict

Alessio Della Libera · Published 2022-05-13 · Updated 2022-05-24 · CVE-2022-21190

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 convict versions prior to 6.2.3

Description The issue is related to a bypass of a previous security fix. It affects the convict package and relies on manipulating the startsWith method. An attacker can bypass the security check by prepending a string value followed by a dot to dangerous paths, such as foo. proto or foo.this.constructor.prototype.

Recommendations For versions prior to 6.2.3, update to version 6.2.3 or later to resolve the issue.

Exploit

Fix

Prototype Pollution

Weakness Enumeration

CWE-1321

Related Identifiers

CVE-2022-21190

GHSA-JJF5-WX3J-3FV7

SNYK-JS-CONVICT-2774757

Affected Products

Convict

References · 10

• 🔥 https://snyk.io/vuln/SNYK-JS-CONVICT-2774757 · Exploit
• 🔥 https://gist.github.com/dellalibera/cebce20e51410acebff1f46afdc89808 · Exploit
• https://github.com/mozilla/node-convict/commit/1ea0ab19c5208f66509e1c43b0d0f21c1fd29b75 · Patch
• https://github.com/mozilla/node-convict/blob/3b86be087d8f14681a9c889d45da7fe3ad9cd880/packages/convict/src/main.js%23L571 · Patch
• https://osv.dev/vulnerability/CVE-2022-21190 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-jjf5-wx3j-3fv7 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-21190 · Security Note
• https://github.com/mozilla/node-convict/blob/master/CHANGELOG.md%23623---2022-05-07 · Note
• https://github.com/mozilla/node-convict · Note
• https://t.me/cibsecurity/42698 · Telegram Post