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CVE-2021-33420: replicator vulnerable to Deserialization of Untrusted Data

December 15, 2022

A deserialization issue discovered in inikulin replicator before 1.0.4 allows remote attackers to run arbitrary code via the fromSerializable function in TypedArray object.

References

  • advisory.checkmarx.net/advisory/CX-2021-4787
  • github.com/advisories/GHSA-hw46-vg6w-88fj
  • github.com/inikulin/replicator/commit/2c626242fb4a118855262c64b5731b2ce98e521b
  • github.com/inikulin/replicator/issues/16
  • github.com/inikulin/replicator/pull/17
  • nvd.nist.gov/vuln/detail/CVE-2021-33420

Code Behaviors & Features

Detect and mitigate CVE-2021-33420 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 1.0.4

Fixed versions

  • 1.0.4

Solution

Upgrade to version 1.0.4 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Source file

npm/replicator/CVE-2021-33420.yml

Spotted a mistake? Edit the file on GitLab.

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