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CVE

CVE-2023-1108

A flaw was found in undertow. This issue makes achieving a denial of service possible due to an unexpected handshake sta

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.

HIGH · CVSS 7.5 EPSS 0.00567
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
▤

Affected Products & Versions

17
redhat build of quarkusall versions
redhat decision managerall versions
redhat fuseall versions
redhat integration camel kall versions
redhat integration service registryall versions
redhat jboss enterprise application platformall versions
redhat jboss enterprise application platform expansion packall versions
redhat openshift application runtimesall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven io.undertow:undertow-core HIGH fixed in 2.3.5.Final
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Sep 2023 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

17
rhsaRHSA-2025:9583Important
rhsaRHSA-2025:4226Important
rhsaRHSA-2023:3888Important
rhsaRHSA-2023:3883Important
rhsaRHSA-2023:3885Important
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2023-1108Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2174246Issue Tracking
https://github.com/advisories/GHSA-m4mm-pg93-fv78
https://security.netapp.com/advisory/ntap-20231020-0002/Third Party Advisory
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