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CVE-2021-3859: Exposure of Resource to Wrong Sphere

August 26, 2022 (updated December 13, 2022)

A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.

References

  • access.redhat.com/security/cve/CVE-2021-3859
  • access.redhat.com/security/cve/cve-2021-3859
  • bugzilla.redhat.com/show_bug.cgi?id=2010378
  • github.com/advisories/GHSA-339q-62wm-c39w
  • github.com/undertow-io/undertow/commit/db0f5be43f8e2a4b88fbedd2eb6d5a95a29ceaa8
  • github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2
  • github.com/undertow-io/undertow/pull/1296
  • issues.redhat.com/browse/UNDERTOW-1979
  • nvd.nist.gov/vuln/detail/CVE-2021-3859

Code Behaviors & Features

Detect and mitigate CVE-2021-3859 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 2.2.15

Fixed versions

  • 2.2.15

Solution

Upgrade to version 2.2.15 or above.

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-214: Invocation of Process Using Visible Sensitive Information

Source file

maven/io.undertow/undertow-core/CVE-2021-3859.yml

Spotted a mistake? Edit the file on GitLab.

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