Security Bulletin: IBM Integration Bus for z/OS is vulnerable to a denial of service due to Apache Tomcat (CVE-2024-24549, CVE-2024-23672)

Summary

IBM Integration Bus for z/OS is vulnerable to a denial of service due to Apache Tomcat. This bulletin identifies the steps to take to address the vulnerability.

Vulnerability Details

CVEID:CVE-2024-24549
**DESCRIPTION:**Apache Tomcat is vulnerable to a denial of service, caused by improper input validation by the HTTP/2 header. By sending specially crafted HTTP/2 requests, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/285497 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2024-23672
**DESCRIPTION:**Apache Tomcat is vulnerable to a denial of service, caused by an incomplete cleanup flaw. By sending specially crafted WebSocket connections, a remote attacker could exploit this vulnerability to increased resource consumption, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/285496 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM Integration Bus for z/OS

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10.1 - 10.1.0.3

Remediation/Fixes

**IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM Integration Bus for z/OS **

Affected Product(s)

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Version(s)

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APAR

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Remediation / Fixes

—|—|—|—

IBM Integration Bus for z/OS

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10.1 - 10.1.0.3

| PH60555| Interim fix for APAR (PH60555) is available to apply to 10.1.0.3 from
IBM Fix Central

Workarounds and Mitigations

None