Security Bulletin: IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to HTTP header injection (CVE-2022-34165)

Security Bulletin

Summary

IBM WebSphere Application Server 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 and IBM WebSphere Application Server Liberty 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.
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

Affected Product(s)	Version(s)
IBM WebSphere Application Server Liberty	17.0.0.3 - 22.0.0.9
IBM WebSphere Application Server	9.0
IBM WebSphere Application Server	8.5
IBM WebSphere Application Server	8.0
IBM WebSphere Application Server	7.0

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the APAR PH46816.

For IBM WebSphere Application Server Liberty 17.0.0.3 - 22.0.0.9:

· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH46816
--OR--
· Apply Fix Pack 22.0.0.10 or later (targeted availability 3Q2022).

For IBM WebSphere Application Server traditional:

For V9.0.0.0 through 9.0.5.13:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH46816
--OR--
· Apply Fix Pack 9.0.5.14 or later (targeted availability 4Q2022).

For V8.5.0.0 through 8.5.5.22:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH46816
--OR--
· Apply Fix Pack 8.5.5.23 or later (targeted availability 1Q2023).

For V8.0.0.0 through 8.0.0.15:
· Upgrade to 8.0.0.15 and then apply Interim Fix PH46816

For V7.0.0.0 through 7.0.0.45:
· Upgrade to 7.0.0.45 and then apply Interim Fix PH46816

Additional interim fixes may be available and linked off the interim fix download page.

IBM WebSphere Application Server V7.0 and V8.0 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

07 Sep 2022: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to HTTP header injection (CVE-2022-34165)