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CVE-2023-1108: Undertow denial of service vulnerability

September 14, 2023 (updated November 16, 2023)

A flaw was found in undertow. This issue makes achieving a denial of service possible due to an unexpected handshake status updated in SslConduit, where the loop never terminates.

References

  • access.redhat.com/errata/RHSA-2023:1184
  • access.redhat.com/errata/RHSA-2023:1185
  • access.redhat.com/errata/RHSA-2023:1512
  • access.redhat.com/errata/RHSA-2023:1513
  • access.redhat.com/errata/RHSA-2023:1514
  • access.redhat.com/errata/RHSA-2023:1516
  • access.redhat.com/errata/RHSA-2023:3883
  • access.redhat.com/errata/RHSA-2023:3884
  • access.redhat.com/errata/RHSA-2023:3885
  • access.redhat.com/errata/RHSA-2023:3888
  • access.redhat.com/errata/RHSA-2023:3892
  • access.redhat.com/errata/RHSA-2023:3954
  • access.redhat.com/errata/RHSA-2023:4612
  • access.redhat.com/security/cve/CVE-2023-1108
  • bugzilla.redhat.com/show_bug.cgi?id=2174246
  • github.com/advisories/GHSA-m4mm-pg93-fv78
  • github.com/undertow-io/undertow/commit/1b763064a41a30583b5df9a118898513007a70be
  • github.com/undertow-io/undertow/commit/ccc053b55f5de9872bc1a4999fd6aa85fc5e146d
  • nvd.nist.gov/vuln/detail/CVE-2023-1108

Code Behaviors & Features

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Affected versions

All versions before 2.2.24, all versions starting from 2.3.0 before 2.3.5

Fixed versions

  • 2.2.24.Final
  • 2.3.5.Final

Solution

Upgrade to versions 2.2.24.Final, 2.3.5.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-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Source file

maven/io.undertow/undertow-core/CVE-2023-1108.yml

Spotted a mistake? Edit the file on GitLab.

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