CVE-2023-5379

Summary

A flaw was found in Undertow. When an AJP request is sent that exceeds the max-header-size attribute in ajp-listener, JBoss EAP is marked in an error state by mod_cluster in httpd, causing JBoss EAP to close the TCP connection without returning an AJP response. This happens because mod_proxy_cluster marks the JBoss EAP instance as an error worker when the TCP connection is closed from the backend after sending the AJP request without receiving an AJP response, and stops forwarding. This issue could allow a malicious user could to repeatedly send requests that exceed the max-header-size, causing a Denial of Service (DoS).

Affected Software

VendorProductVersion RangeStatus
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:3.0.1-4.b08_redhat_00005.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:5.1.17-3.Final_redhat_00004.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:2.8.11.6-3.SP1_redhat_00003.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:4.0.12-1.Final_redhat_00002.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:4.1.63-2.Final_redhat_00003.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:1.4.18-16.SP14_redhat_00001.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:7.1.11-4.GA_redhat_00002.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:1.1.14-1.Final_redhat_00001.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:1.0.21-1.Final_redhat_00001.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:1.0.13-1.Final_redhat_00001.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:1.0.12-1.Final_redhat_00001.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 70:1.0.12-6.Final_redhat_00001.1.ep7.el7 < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 70:2.10.4-3.redhat_00006.1.el7eap < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 70:2.10.4-3.redhat_00006.1.el7eap < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 70:2.10.4-5.redhat_00006.1.el7eap < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 70:2.10.4-3.redhat_00006.1.el7eap < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 70:2.10.4-5.redhat_00006.1.el7eap < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 70:2.10.4-2.redhat_00006.1.el7eap < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 70:1.7.2-16.Final_redhat_00017.1.el7eap < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 70:4.1.63-5.Final_redhat_00003.1.el7eap < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 70:2.0.41-4.SP5_redhat_00001.1.el7eap < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 70:7.3.14-3.GA_redhat_00002.1.el7eap < *unaffected
Red HatRed Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 70:1.10.17-1.Final_redhat_00001.1.el7eap < *unaffected

Weaknesses

  • CWE-770: Allocation of Resources Without Limits or Throttling

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References