CVE-2022-21190 (GCVE-0-2022-21190)
Vulnerability from cvelistv5
Published
2022-05-13 20:00
Modified
2024-09-17 03:32
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • Prototype Pollution
Summary
This affects the package convict before 6.2.3. This is a bypass of [CVE-2022-22143](https://security.snyk.io/vuln/SNYK-JS-CONVICT-2340604). The [fix](https://github.com/mozilla/node-convict/commit/3b86be087d8f14681a9c889d45da7fe3ad9cd880) introduced, relies on the startsWith method and does not prevent the vulnerability: before splitting the path, it checks if it starts with __proto__ or this.constructor.prototype. To bypass this check it's possible to prepend the dangerous paths with any string value followed by a dot, like for example foo.__proto__ or foo.this.constructor.prototype.
References
report@snyk.iohttps://gist.github.com/dellalibera/cebce20e51410acebff1f46afdc89808Exploit, Third Party Advisory
report@snyk.iohttps://github.com/mozilla/node-convict/blob/3b86be087d8f14681a9c889d45da7fe3ad9cd880/packages/convict/src/main.js%23L571Broken Link, Patch, Third Party Advisory
report@snyk.iohttps://github.com/mozilla/node-convict/blob/master/CHANGELOG.md%23623---2022-05-07Broken Link, Release Notes, Tool Signature
report@snyk.iohttps://github.com/mozilla/node-convict/commit/1ea0ab19c5208f66509e1c43b0d0f21c1fd29b75Patch, Tool Signature
report@snyk.iohttps://snyk.io/vuln/SNYK-JS-CONVICT-2774757Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/dellalibera/cebce20e51410acebff1f46afdc89808Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/mozilla/node-convict/blob/3b86be087d8f14681a9c889d45da7fe3ad9cd880/packages/convict/src/main.js%23L571Broken Link, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/mozilla/node-convict/blob/master/CHANGELOG.md%23623---2022-05-07Broken Link, Release Notes, Tool Signature
af854a3a-2127-422b-91ae-364da2661108https://github.com/mozilla/node-convict/commit/1ea0ab19c5208f66509e1c43b0d0f21c1fd29b75Patch, Tool Signature
af854a3a-2127-422b-91ae-364da2661108https://snyk.io/vuln/SNYK-JS-CONVICT-2774757Exploit, Third Party Advisory
Impacted products
Vendor Product Version
n/a convict Version: unspecified   < 6.2.3
Show details on NVD website

To clipboard 

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