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CVE-2021-43309: Incorrect Comparison

August 25, 2022 (updated September 9, 2022)

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the uri-template-lite npm package, when an attacker is able to supply arbitrary input to the “URI.expand” method

References

  • github.com/advisories/GHSA-chw2-6c7r-37p7
  • github.com/litejs/uri-template-lite/commit/cbeec2b2a275d819fb534137a155df14729706f8
  • nvd.nist.gov/vuln/detail/CVE-2021-43309
  • research.jfrog.com/vulnerabilities/uri-template-lite-redos-xray-211351/

Code Behaviors & Features

Detect and mitigate CVE-2021-43309 with GitLab Dependency Scanning

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Affected versions

All versions up to 22.1.0

Solution

Unfortunately, there is no solution available yet.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-697: Incorrect Comparison

Source file

npm/uri-template-lite/CVE-2021-43309.yml

Spotted a mistake? Edit the file on GitLab.

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