Security Bulletin: Liberty for Java for IBM Cloud is vulnerable to HTTP header injection (CVE-2022-34165)

Summary

Liberty for Java for IBM Cloud is vulnerable to HTTP header injection when processing web requests. This has been addressed.

Vulnerability Details

CVEID:CVE-2022-34165
**DESCRIPTION:**IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 and IBM WebSphere Application Server Liberty 17.0.0.3 through 22.0.0.9 are vulnerable to HTTP header injection, caused by improper validation. This could allow an attacker to conduct various attacks against the vulnerable system, including cache poisoning and cross-site scripting. IBM X-Force ID: 229429.
CVSS Base score: 5.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/229429 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

These vulnerabilities affect all versions of Liberty for Java for IBM Cloud up to and including v3.73.

Remediation/Fixes

To upgrade to Liberty for Java for IBM Cloud v3.74-20220913-1224 or higher, you must re-stage or re-push your application

To find the current version of Liberty for Java for IBM Cloud being used, from the command-line Cloud Foundry client by running the following commands:

cf ssh <appname> -c “cat staging_info.yml”

Look for similar lines:

{“detected_buildpack”:“Liberty for Java™ (WAR, liberty-xxx, v3.74-20220913-1224, xxx, env)“,”start_command”:“.liberty/initial_startup.rb”}

To re-stage your application using the command-line Cloud Foundry client, use the following command:

cf restage <appname>

To re-push your application using the command-line Cloud Foundry client, use the following command:

cf push <appname>

Workarounds and Mitigations

None