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CVE-2023-1973: Undertow Denial of Service vulnerability

November 7, 2024

A flaw was found in Undertow package. Using the FormAuthenticationMechanism, a malicious user could trigger a Denial of Service by sending crafted requests, leading the server to an OutofMemory error, exhausting the server’s memory.

References

  • access.redhat.com/errata/RHSA-2024:1674
  • access.redhat.com/errata/RHSA-2024:1675
  • access.redhat.com/errata/RHSA-2024:1676
  • access.redhat.com/errata/RHSA-2024:1677
  • access.redhat.com/errata/RHSA-2024:2763
  • access.redhat.com/errata/RHSA-2024:2764
  • access.redhat.com/security/cve/CVE-2023-1973
  • bugzilla.redhat.com/show_bug.cgi?id=2185662
  • github.com/advisories/GHSA-97cq-f4jm-mv8h
  • github.com/undertow-io/undertow
  • github.com/undertow-io/undertow/commit/0410f3c4d9b39b754a2203a29834cac51da11258
  • github.com/undertow-io/undertow/commit/b289b18bc0ba40c134698a430c70ca1835c51d78
  • nvd.nist.gov/vuln/detail/CVE-2023-1973

Code Behaviors & Features

Detect and mitigate CVE-2023-1973 with GitLab Dependency Scanning

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Affected versions

All versions starting from 2.3.0.Alpha1 before 2.3.13.Final, all versions before 2.2.32.Final

Fixed versions

  • 2.2.32.Final
  • 2.3.13.Final

Solution

Upgrade to versions 2.2.32.Final, 2.3.13.Final 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-20: Improper Input Validation
  • CWE-400: Uncontrolled Resource Consumption

Source file

maven/io.undertow/undertow-core/CVE-2023-1973.yml

Spotted a mistake? Edit the file on GitLab.

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