Security Bulletin: IBM Java SDK and IBM Java Runtime for IBM i is affected by CVE-2020-14803 and CVE-2020-27221

Summary

IBM® SDK Java™ Technology Edition and IBM® Runtime Environment Java™ is supported by IBM i. IBM i has addressed the applicable CVE.

Vulnerability Details

CVEID:CVE-2020-14803
**DESCRIPTION:**An unspecified vulnerability in Java SE could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190121 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

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

Remediation/Fixes

The issues can be fixed by applying a PTF to the IBM i Operating System.

Releases 7.4, 7.3, 7.2 and 7.1 of IBM i are supported and will be fixed.
Please see the Java document at this URL for the latest Java information for IBM i:
<https://www.ibm.com/support/pages/java-ibm-i&gt;

The IBM i Group PTF numbers containing the fix for these CVEs follow. Future Group PTFs for Java will also contain the fixes for these CVEs.

Release 7.4 – SF99665 level 10
Release 7.3 – SF99725 level 21
Release 7.2 – SF99716 level 31
Release 7.1 – SF99572 level 44

Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.

If you run your own Java code using the IBM Java Runtime delivered with this product, you should evaluate your code to determine whether additional Java vulnerabilities are applicable to your code. For a complete list of vulnerabilities, refer to the “Java SDK Security Vulnerabilities”, located in the Reference section for more information.

Workarounds and Mitigations

None