Security Bulletin: Vulnerability in Apache Tomcat affects IBM Process Mining - Multiple CVEs

Summary

There is a vulnerability in Apache Tomcat that could allow an remote attacker to cause a denial of service on the system. The code is used by IBM Process Mining. This bulletin identifies the security fixes to apply to address the vulnerability.

Vulnerability Details

CVEID:CVE-2023-44487
**DESCRIPTION:**Multiple vendors are vulnerable to a denial of service, caused by a flaw in handling multiplexed streams in the HTTP/2 protocol. By sending numerous HTTP/2 requests and RST_STREAM frames over multiple streams, a remote attacker could exploit this vulnerability to cause a denial of service due to server resource consumption.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268044 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-2023-45648
**DESCRIPTION:**Apache Tomcat is vulnerable to HTTP request smuggling, caused by improper parsing of HTTP trailer headers. By sending a specially crafted invalid trailer header, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268200 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2023-42795
**DESCRIPTION:**Apache Tomcat could allow a remote attacker to obtain sensitive information, caused by an incomplete Cleanup vulnerability when recycling various internal objects. By skipping some parts of the recycling process, an attacker could exploit this vulnerability to obtain sensitive information leaking from the current request/response to the next.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268201 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

Any open source library may be included in one or more sub-components of IBM Process Mining. Open source updates are not always synchronized across all components. The CVE in this bulletin are specifically addressed by

1.14.0, 1.14.1, 1.14.2, 1.14.2 IF001

| **Install/Upgrade to version 1.14.3

Installing a Production deployment
**1.To deploy a Production deployment, see installing on
RedHat OpenShift Container Platform environments

**Upgrading an Installation **** **1.To perform an upgrade of a Production deployment, see
upgrading in Red Hat OpenShift Container Platform
environments
IBM Process Mining traditional|

1.14.0, 1.14.1, 1.14.2

| **Install/Upgrade to version 1.14.3

** 1.Login to PassPortAdvantage
2.Search for
M0GXPML Process Mining 1.14.3 Server Multiplatform
Multilingual
3.Download package
4.Follow install instructions
5.Repeat for M0GXQML Process Mining 1.14.3 Client
Windows Multilingual

Workarounds and Mitigations

None known