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Security Bulletin: IBM Cloud Pak for Security vulnerable to a stack-based buffer overflow (CVE-2020-27221)

Security Bulletin


Summary

IBM Cloud Pak for Security v 1.6.0.0 and earlier is vulnerable to a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding. This has been addressed in the most recent release of the product.

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)
Cloud Pak for Security (CP4S)1.5.0.0
Cloud Pak for Security (CP4S)1.4.0.0
Cloud Pak for Security (CP4S)1.6.0.0
Cloud Pak for Security (CP4S)1.5.0.1

Remediation/Fixes

Upgrade to IBM Cloud Pak for Security v 1.6.0.1 by following the instructions in https://www.ibm.com/support/knowledgecenter/en/SSTDPP_1.6.0/platform/docs/security-pak/upgrading_160.html

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

12 Mar 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

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Document Information

Modified date:
18 March 2021

UID

ibm16433579