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Fencer Vulns
medium 5.3

CVE-2024-3653 json

Undertow: learningpushhandler can lead to remote memory dos attacks

published 2024-07-08 2 y ago modified 2026-11-07 45 h ago also EUVD-2024-2322 , GHSA-ch7q-gpff-h9hp

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

A vulnerability was found in Undertow. This issue requires enabling the learning-push handler in the server's config, which is disabled by default, leaving the maxAge config in the handler unconfigured. The default is -1, which makes the handler vulnerable. If someone overwrites that config, the server is not subject to the attack. The attacker needs to be able to reach the server with a normal HTTP request.

Patch / fix

  • maven io.undertow:undertow-core 2.2.34.Final, 2.3.15.Final
  • Red Hat Red Hat build of Quarkus 3.8.6.redhat 5.2.4.redhat-00001
  • Red Hat Red Hat JBoss Enterprise Application Platform 2.2.33.SP1-redhat-00001
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8 0:2.2.33-1.SP1_redhat_00001.1.el8eap
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9 0:2.2.33-1.SP1_redhat_00001.1.el9eap
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7 0:2.2.33-1.SP1_redhat_00001.1.el7eap
  • undertow Debian 14 2.3.18-1

debian advisories DEBIAN-CVE-2024-3653

  • eap7-netty jboss enterprise application platform 7.4 4.1.108-1.Final_redhat_00001.1.el9eap
  • eap7-jandex jboss enterprise application platform 7.4 2.4.5-1.Final_redhat_00001.1.el9eap
  • eap7-wildfly jboss enterprise application platform 7.4 7.4.18-1.GA_redhat_00001.1.el9eap
  • eap7-undertow jboss enterprise application platform 7.4 2.2.33-1.SP1_redhat_00001.1.el9eap
  • eap7-hal-console jboss enterprise application platform 7.4 3.3.23-1.Final_redhat_00001.1.el9eap
  • eap7-ironjacamar jboss enterprise application platform 7.4 1.5.17-1.Final_redhat_00001.1.el9eap
  • eap7-netty-codec jboss enterprise application platform 7.4 4.1.108-1.Final_redhat_00001.1.el9eap
  • eap7-bouncycastle jboss enterprise application platform 7.4 1.78.1-1.redhat_00002.1.el9eap

red hat advisories RHSA-2024:5145RHSA-2024:5144RHSA-2024:5143

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-3653 updated cvss 5.3

undertow: LearningPushHandler can lead to remote memory DoS attacks

  • Red Hat OpenShift Serverless undertow undertow Red Hat build of Apache Camel 4 for Quarkus 3 undertow undertow Red Hat build of Apache Camel for Spring Boot 4 undertow undertow Red Hat build of OptaPlanner 8 undertow undertow Red Hat Data Grid 8 undertow undertow
    affected: workaround, no fix available “Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored.”
  • Red Hat Fuse 7 undertow undertow
    affected: workaround, no fix planned “Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored.”
  • Red Hat Integration Camel K 1 undertow undertow Red Hat Integration Camel Quarkus 2 undertow undertow
    affected: workaround, no fix available “Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored.”
  • Red Hat JBoss Data Grid 7 undertow undertow Red Hat JBoss Fuse Service Works 6 undertow undertow Red Hat Process Automation 7 undertow undertow
    affected: workaround, no fix planned “Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored.”
  • Red Hat Single Sign-On 7 undertow undertow Red Hat streams for Apache Kafka undertow undertow
    affected: workaround, no fix available “Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored.”
  • Red Hat build of Quarkus 3.8.6.redhat quarkus-http-core 5.2.4.redhat-00001
    fixed: vendor fix “Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored.” RHSA-2024:6437
  • Red Hat JBoss EAP 7.4 for RHEL 7 Server eap7-undertow 2.2.33-1.SP1_redhat_00001.1.el7eap
    fixed: vendor fix “Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored.” RHSA-2024:5143
  • Red Hat JBoss EAP 7.4 for RHEL 8 eap7-undertow 2.2.33-1.SP1_redhat_00001.1.el8eap
    fixed: vendor fix “Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored.” RHSA-2024:5144
show 4 more
  • Red Hat JBoss EAP 7.4 for RHEL 9 eap7-undertow 2.2.33-1.SP1_redhat_00001.1.el9eap
    fixed: vendor fix “Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored.” RHSA-2024:5145
  • Red Hat JBoss Enterprise Application Platform undertow-core 2.2.33.SP1-redhat-00001
    fixed: vendor fix “Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored.” RHSA-2024:5147
  • Red Hat JBoss Enterprise Application Platform 8
    fixed: vendor fix “Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored.” RHSA-2024:4392
  • Red Hat build of Apache Camel - HawtIO 4 undertow undertow Red Hat build of Apicurio Registry 2 undertow undertow Red Hat Build of Keycloak undertow undertow Red Hat build of Quarkus quarkus-undertow Red Hat build of Quarkus 3.8.6.redhat jna 5.8.0, lit 3.1.2, db2 1.19.6, h2 2.2.224, y18n 5.0.8, bson 4.11.1, +961 more Red Hat JBoss EAP 7.4 for RHEL 7 Server eap7-wildfly 7.4.18-1.GA_redhat_00001.1.el7eap, eap7-jandex 2.4.5-1.Final_redhat_00001.1.el7eap, eap7-bouncycastle 1.78.1-1.redhat_00002.1.el7eap, eap7-netty 4.1.108-1.Final_redhat_00001.1.el7eap, eap7-bouncycastle-pg 1.78.1-1.redhat_00002.1.el7eap, eap7-netty-all 4.1.108-1.Final_redhat_00001.1.el7eap, +52 more
    +4 more products
    Red Hat JBoss EAP 7.4 for RHEL 8 eap7-wildfly 7.4.18-1.GA_redhat_00001.1.el8eap, eap7-jandex 2.4.5-1.Final_redhat_00001.1.el8eap, eap7-bouncycastle 1.78.1-1.redhat_00002.1.el8eap, eap7-netty 4.1.108-1.Final_redhat_00001.1.el8eap, eap7-bouncycastle-pg 1.78.1-1.redhat_00002.1.el8eap, eap7-netty-all 4.1.108-1.Final_redhat_00001.1.el8eap, +53 more Red Hat JBoss EAP 7.4 for RHEL 9 eap7-wildfly 7.4.18-1.GA_redhat_00001.1.el9eap, eap7-jandex 2.4.5-1.Final_redhat_00001.1.el9eap, eap7-bouncycastle 1.78.1-1.redhat_00002.1.el9eap, eap7-netty 4.1.108-1.Final_redhat_00001.1.el9eap, eap7-bouncycastle-pg 1.78.1-1.redhat_00002.1.el9eap, eap7-bouncycastle-mail 1.78.1-1.redhat_00002.1.el9eap, +52 more Red Hat JBoss Enterprise Application Platform pom.xml, jansi.dll, libjansi.so, xsdlib 2013.6.1, isorelax 20090621, artemis-service.exe, +723 more Red Hat JBoss Enterprise Application Platform Expansion Pack undertow undertow
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

1.87% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
maven io.undertow:undertow-core
>=2.3.0.Alpha1, <2.3.15.Final
<2.2.34.Final
2.3.15.Final
2.2.34.Final

Affected products

  • Red Hat Red Hat build of Quarkus 3.8.6.redhat
  • Red Hat Red Hat JBoss Enterprise Application Platform
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9
  • Red Hat Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7
  • Red Hat Red Hat JBoss Enterprise Application Platform 8
  • Red Hat OpenShift Serverless
  • Red Hat Red Hat build of Apache Camel 4 for Quarkus 3
  • Red Hat Red Hat build of Apache Camel for Spring Boot 4
  • Red Hat Red Hat build of Apache Camel - HawtIO 4
  • Red Hat Red Hat build of Apicurio Registry 2
  • Red Hat Red Hat Build of Keycloak
  • Red Hat Red Hat build of OptaPlanner 8
  • Red Hat Red Hat build of Quarkus
  • Red Hat Red Hat Data Grid 8
  • Red Hat Red Hat Fuse 7
  • Red Hat Red Hat Integration Camel K 1
  • Red Hat Red Hat Integration Camel Quarkus 2
  • Red Hat Red Hat JBoss Data Grid 7
  • Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack
  • Red Hat Red Hat JBoss Fuse Service Works 6
  • Red Hat Red Hat Process Automation 7
  • Red Hat Red Hat Single Sign-On 7
  • Red Hat streams for Apache Kafka

Classification

Weakness
  • CWE-401 Missing Release of Memory after Effective Lifetime
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.