// For flags

CVE-2023-3223

Undertow: outofmemoryerror due to @multipartconfig handling

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

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.

Se encontró una falla en el undertow. Los servlets anotados con @MultipartConfig pueden causar un OutOfMemoryError debido a un gran contenido multiparte. Esto puede permitir que usuarios no autorizados provoquen un ataque remoto de denegación de servicio (DoS). Si el servidor usa fileSizeThreshold para limitar el tamaño del archivo, es posible evitar el límite estableciendo el nombre del archivo en la solicitud en nulo.

*Credits: Red Hat would like to thank Keke Lian & Haoran Zhao (SecSys Lab) for reporting this issue.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-06-13 CVE Reserved
  • 2023-08-08 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-08-27 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-789: Memory Allocation with Excessive Size Value
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Redhat
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Openshift Container Platform
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4.11
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-
Affected
in Redhat
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Enterprise Linux
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8.0
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-
Safe
Redhat
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Openshift Container Platform
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4.12
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-
Affected
in Redhat
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Enterprise Linux
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8.0
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-
Safe
Redhat
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Openshift Container Platform For Ibm Linuxone
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4.9
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-
Affected
in Redhat
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Enterprise Linux
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8.0
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-
Safe
Redhat
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Openshift Container Platform For Ibm Linuxone
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4.10
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-
Affected
in Redhat
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Enterprise Linux
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8.0
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-
Safe
Redhat
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Openshift Container Platform For Power
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4.9
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-
Affected
in Redhat
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Enterprise Linux
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8.0
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-
Safe
Redhat
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Openshift Container Platform For Power
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4.10
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-
Affected
in Redhat
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Enterprise Linux
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8.0
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-
Safe
Redhat
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Single Sign-on
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7.6
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-
Affected
in Redhat
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Enterprise Linux
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7.0
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-
Safe
Redhat
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Single Sign-on
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7.6
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-
Affected
in Redhat
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Enterprise Linux
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8.0
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-
Safe
Redhat
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Single Sign-on
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7.6
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-
Affected
in Redhat
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Enterprise Linux
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9.0
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-
Safe
Redhat
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Jboss Enterprise Application Platform
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7.4
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-
Affected
in Redhat
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Enterprise Linux
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7.0
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-
Safe
Redhat
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Jboss Enterprise Application Platform
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7.4
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-
Affected
in Redhat
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Enterprise Linux
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8.0
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-
Safe
Redhat
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Jboss Enterprise Application Platform
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7.4
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-
Affected
in Redhat
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Enterprise Linux
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9.0
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Safe
Redhat
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Undertow
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< 2.2.24
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Affected
Redhat
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Jboss Enterprise Application Platform Text-only Advisories
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--
Affected
Redhat
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Single Sign-on
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-text-only
Affected