Undertow: infinite loop in sslconduit during close

Description

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.

Scores

EPSS (exploitation in 30 days)

1.8% · top 22% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

• CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') (opens in a new tab)All about CWE-835 and its CVEs

Affected products

• io.undertow:undertow-core

  • unaffected 2.3.5
  • unaffected 2.2.24

• Red Hat · EAP 7.4.10 release

  All versions: unaffected

• Red Hat · Red Hat Fuse 7.12

  All versions: unaffected

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.1.0

  All versions: unaffected

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8

  • unaffected 0:2.2.22-1.SP3_redhat_00002.1.el8eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8

  • unaffected 0:7.4.9-6.GA_redhat_00004.1.el8eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8

  • unaffected 0:2.2.23-1.SP2_redhat_00001.1.el8eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8

  • unaffected 0:2.0.14-1.Final_redhat_00001.1.el8eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9

  • unaffected 0:2.2.22-1.SP3_redhat_00002.1.el9eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9

  • unaffected 0:7.4.9-6.GA_redhat_00004.1.el9eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9

  • unaffected 0:2.2.23-1.SP2_redhat_00001.1.el9eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9

  • unaffected 0:2.0.14-1.Final_redhat_00001.1.el9eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7

  • unaffected 0:2.2.22-1.SP3_redhat_00002.1.el7eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7

  • unaffected 0:7.4.9-6.GA_redhat_00004.1.el7eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7

  • unaffected 0:2.2.23-1.SP2_redhat_00001.1.el7eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7

  • unaffected 0:2.0.14-1.Final_redhat_00001.1.el7eap – < *

• Red Hat · Red Hat Single Sign-On 7

  All versions: unaffected

• Red Hat · Red Hat Single Sign-On 7.6 for RHEL 7

  • unaffected 0:18.0.8-1.redhat_00001.1.el7sso – < *

• Red Hat · Red Hat Single Sign-On 7.6 for RHEL 8

  • unaffected 0:18.0.8-1.redhat_00001.1.el8sso – < *

• Red Hat · Red Hat Single Sign-On 7.6 for RHEL 9

  • unaffected 0:18.0.8-1.redhat_00001.1.el9sso – < *

• Red Hat · Red Hat support for Spring Boot 2.7.13

  All versions: unaffected

• Red Hat · RHEL-8 based Middleware Containers

  • unaffected 7.6-24 – < *

• Red Hat · RHPAM 7.13.1 async

  All versions: unaffected

• Red Hat · Red Hat build of Quarkus

  All versions: unaffected

• Red Hat · Red Hat Data Grid 8

  All versions: unaffected

• Red Hat · Red Hat Integration Camel K

  All versions: affected

• Red Hat · Red Hat Integration Camel Quarkus

  All versions: unaffected

• Red Hat · Red Hat Integration Service Registry

  All versions: affected

• Red Hat · Red Hat JBoss Data Grid 7

  All versions: unknown

• Red Hat · Red Hat JBoss Enterprise Application Platform Expansion Pack

  All versions: affected

• Red Hat · Red Hat JBoss Fuse 6

  All versions: unknown

• Red Hat · Red Hat OpenStack Platform 13 (Queens)

  All versions: affected

Affected packages

From reviewed advisories of the GitHub Advisory Database.

• Mavenio.undertow:undertow-coreGHSA-m4mm-pg93-fv78 (opens in a new tab)

References (18)

• RHSA-2023:1184 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:1185 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:1512 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:1513 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:1514 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:1516 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:2135 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:3883 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:3884 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:3885 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:3888 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:3892 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:3954 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:4612 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://access.redhat.com/security/cve/CVE-2023-1108 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
• RHBZ#2174246 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
• https://github.com/advisories/GHSA-m4mm-pg93-fv78 (opens in a new tab)x_transferred
• https://security.netapp.com/advisory/ntap-20231020-0002/ (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisory GHSA-m4mm-pg93-fv78 (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2023-1108](https://trackcve.app/badge/CVE-2023-1108.svg)](https://trackcve.app/cve/CVE-2023-1108)

Record last updated 2 Aug 2024, 05:32 UTC.