Security Bulletin
Summary
Apache Log4j is used by IBM WebSphere eXtreme Scale as part of remote logging functionality (CVE-2022-23307). The fix includes Apache Log4j v2.17.1.
Vulnerability Details
CVEID: CVE-2022-23307
DESCRIPTION: Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserialization in the in Apache Chainsaw component. By sending specially-crafted input, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217462 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM WebSphere Extreme Scale | 8.6.1.0 - 8.6.1.5 |
Remediation/Fixes
IBM strongly recommends addressing the vulnerability now.
| Product | Version(s) |
APAR |
Remediation/First Fix |
|---|---|---|---|
| IBM WebSphere eXtreme Scale | 8.6.1.0 - 8.6.1.5 | PH44065 |
For older versions, upgrade to latest fixpacks 8.6.1.4 or 8.6.1.5 and then apply the PH44065 iFix. If you are using 8.6.1.4 or 8.6.1.5 directly apply the PH44065 iFix.
|
Workarounds and Mitigations
IBM recommends addressing the vulnerability by executing the Remediation as detailed above.
If executing the Remediation is not possible, please review this information and take action to implement the Workaround.
- Remote logging is disabled by default.
- If remote logging has been enabled, disable it by referring to these pages for eXtremeScale and XSLD
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References
Acknowledgement
Change History
25 Feb 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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Document Information
Modified date:
22 March 2022
UID
ibm16565333