Security Bulletin
Summary
There is a vulnerability in IBM Runtime Environment Java Technology Edition Version 7 and 8 used by WebSphere eXtreme Scale. The issues were disclosed as part of the IBM SDK, Java Technology Edition updates in February 2021.
Vulnerability Details
CVEID: CVE-2020-27221
DESCRIPTION: Eclipse OpenJ9 is vulnerable to a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding. By sending an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195353 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) |
| WebSphere Extreme Scale | 8.6.1 |
| WebSphere Extreme Scale | 8.6.0 |
Remediation/Fixes
| Product | VRMF | APAR | Remediation/First Fix |
|---|---|---|---|
| WebSphere eXtreme Scale | 8.6.0.8 | PH34473 | Refer to the Version 8.6 table in the Recommended Fixes page for WebSphere eXtreme Scale. |
| WebSphere eXtreme Scale | 8.6.1.4 | PH34473 | Refer to the Version 8.6.1 table in the Recommended Fixes page for WebSphere eXtreme Scale. |
Workarounds and Mitigations
None
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References
Change History
08 Apr 2021: 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:
09 April 2021
UID
ibm16441721