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CVE-2019-13126: Integer Overflow or Wraparound

May 18, 2021

An integer overflow in NATS Server before 2.0.2 allows a remote attacker to crash the server by sending a crafted request. If authentication is enabled, then the remote attacker must have first authenticated.

References

  • github.com/advisories/GHSA-jp4j-47f9-2vc3
  • github.com/nats-io/nats-server/commit/07ef71ff98f45f8c2711be4aeaf484610d891dda
  • github.com/nats-io/nats-server/commits/master
  • github.com/nats-io/nats-server/pull/1053
  • github.com/nats-io/nats-server/pull/1441
  • nvd.nist.gov/vuln/detail/CVE-2019-13126
  • www.twistlock.com/labs-blog/finding-dos-vulnerability-nats-go-fuzz-cve-2019-13126/

Code Behaviors & Features

Detect and mitigate CVE-2019-13126 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 2.0.2

Fixed versions

  • 2.0.2

Solution

Upgrade to version 2.0.2 or above.

Impact 7.5 HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-190: Integer Overflow or Wraparound

Source file

go/github.com/nats-io/nats-server/v2/server/CVE-2019-13126.yml

Spotted a mistake? Edit the file on GitLab.

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