Undertow
CVE-2023-3223
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
A flaw was found in undertow. Servlets annotated with @MultipartConfig may cause an OutOfMemoryError due to large multipart content. This may allow unauthorized users to cause remote Denial of Service (DoS) attack. If the server uses fileSizeThreshold to limit the file size, it's possible to bypass the limit by setting the file name in the request to null.
AnalysisAI
A flaw was found in undertow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-789. A flaw was found in undertow. Servlets annotated with @MultipartConfig may cause an OutOfMemoryError due to large multipart content. This may allow unauthorized users to cause remote Denial of Service (DoS) attack. If the server uses fileSizeThreshold to limit the file size, it's possible to bypass the limit by setting the file name in the request to null. Affected products include: Redhat Undertow, Redhat Openshift Container Platform, Redhat Openshift Container Platform For Ibm Linuxone, Redhat Openshift Container Platform For Power, Redhat Jboss Enterprise Application Platform Text-Only Advisories.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Directory traversal vulnerability in JBoss Undertow 1.0.x before 1.0.17, 1.1.x before 1.1.0.CR5, and 1.2.x before 1.2.0.
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A vulnerability was found in Undertow web server before 2.0.21. Rated critical severity (CVSS 9.8), this vulnerability i
Undertow HTTP server (used in WildFly, JBoss EAP) fails to validate Host headers, enabling cache poisoning, internal net
A flaw was found in all undertow-2.x.x SP1 versions prior to undertow-2.0.30.SP1, all undertow-1.x.x and undertow-2.x.x
Undertow, a Java web server used across Red Hat's JBoss Enterprise Application Platform, Fuse, and other middleware prod
A flaw was found in Undertow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authenticat
A flaw was found in undertow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authenticat
A flaw was found in Undertow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authenticat
A flaw was found in Undertow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authenticat
When a POST request comes through AJP and the request exceeds the max-post-size limit (maxEntitySize), Undertow's AjpSer
Same technique Denial Of Service
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External POC / Exploit Code
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