Security Bulletin: IBM Java SDK and IBM Java Runtime for IBM i are vulnerable to unauthorized attacker causing integrity impact (CVE-2021-2163)

Summary

IBM® SDK Java™ Technology Edition and IBM® Runtime Environment Java™ used by IBM i are vulnerable to unauthorized attacker causing integrity impact as described in the vulnerability details section. IBM i has addressed the vulnerabilities with a fix as described in the remediation/fixes section.

Vulnerability Details

CVEID:CVE-2021-2163
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause no confidentiality impact, high integrity impact, and no availability impact.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/200292 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N)

Affected Products and Versions

Remediation/Fixes

These vulnerabilities can be fixed by applying the latest Java Group PTF to the IBM i Operating System.

Releases 7.5, 7.4, 7.3, and 7.2 of IBM i will be fixed.
The IBM i Group PTF numbers contain the fix for the vulnerabilities. Future Group PTFs for Java will also contain the fix for these vulnerabilities.

SF99955 Level 3

|

<https://www.ibm.com/support/pages/sf99955-750-java-level-3&gt;

7.4|

SF99665 Level 16

|

<https://www.ibm.com/support/pages/sf99665-740-java-level-16&gt;

7.3|

SF99725 Level 27

|

<https://www.ibm.com/support/pages/sf99725-730-java-level-27&gt;

7.2|

SF99716 Level 37

|

<https://www.ibm.com/support/pages/sf99716-720-java-level-37&gt;

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;

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 “IBM Java SDK Security Vulnerabilities”, located in the References section for more information.

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

Workarounds and Mitigations

None