Security Bulletin: Multiple vulnerabilities in IBM Java SDK and IBM Java Runtime affect IBM i

Summary

There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition and IBM® Runtime Environment Java™ used by IBM i. IBM i has addressed the applicable CVEs.

Vulnerability Details

CVEID:CVE-2020-14779
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Serialization component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190097 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2020-14796
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base score: 3.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190114 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N)

CVEID:CVE-2020-14797
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190115 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Remediation/Fixes

The issue 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 9
Release 7.3 – SF99725 level 20
Release 7.2 – SF99716 level 30
Release 7.1 – SF99572 level 43

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 “IBM Java SDK security vulnerabilities”, located in the Reference section for more information.

Workarounds and Mitigations

None