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CVE-2023-1108

Undertow: infinite loop in sslconduit during close

HIGH
7.5
CVSS Score
Published: September 14, 2023 at 02:48 PM UTC
Updated: June 17, 2026 at 05:27 AM UTC
18 products affected across 3 vendorsOnCommand Workflow AutomationOpenShift Container PlatformJBoss Enterprise Application Platform

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

OnCommand Workflow Automation· NetApp
95%
All versions
Build of Quarkus· Red Hatrpm
95%
All versions
Vendor states this is fixed in 2 (unaffected)
Decision Manager· Red Hatrpm
95%
7.0
Fuse· Red Hatrpm
95%
1.0.0
Vendor states this is fixed in 7.12 (unaffected)
Integration Camel K· Red Hatrpm
95%
All versions
Integration Service Registry· Red Hatrpm
95%
All versions
JBoss Enterprise Application Platform· Red Hatrpm
95%
7.4
Vendor states this is fixed in 0:2.0.14-1.Final_redhat_00001.1.el7eap (unaffected)
Vendor states this is fixed in 0:2.0.14-1.Final_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.0.14-1.Final_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:2.2.22-1.SP3_redhat_00002.1.el7eap (unaffected)
Vendor states this is fixed in 0:2.2.22-1.SP3_redhat_00002.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.2.22-1.SP3_redhat_00002.1.el9eap (unaffected)
Vendor states this is fixed in 0:2.2.23-1.SP2_redhat_00001.1.el7eap (unaffected)
Vendor states this is fixed in 0:2.2.23-1.SP2_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.2.23-1.SP2_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:7.4.9-6.GA_redhat_00004.1.el7eap (unaffected)
Vendor states this is fixed in 0:7.4.9-6.GA_redhat_00004.1.el8eap (unaffected)
Vendor states this is fixed in 0:7.4.9-6.GA_redhat_00004.1.el9eap (unaffected)
Vendor states this is fixed in 7.4 (unaffected)
redhat-enterprise-linux (environment)
JBoss Enterprise Application Platform Expansion Pack· Red Hatrpm
95%
All versions
OpenShift Application Runtimes· Red Hatrpm
95%
All versions
OpenShift Container Platform· Red Hatcontainer
95%
4.114.12
redhat-enterprise-linux (environment)

References (18)

Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2023:1184
Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2023:1185
Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2023:1512
Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2023:1513
Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2023:1514
Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2023:1516
Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2023:2135
Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2023:3883

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHredhat
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-835

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