Security Bulletin: IBM Java SDK and IBM Java Runtime for IBM i are affected by CVE-2021-2369 and CVE-2021-2432

Security Bulletin

Summary

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

Vulnerability Details

CVEID: CVE-2021-2369
DESCRIPTION: An unspecified vulnerability in Java SE related to the Library component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/205796 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)

CVEID: CVE-2021-2432
DESCRIPTION: An unspecified vulnerability in Java SE related to the JNDI 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/205856 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)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM i	7.4
IBM i	7.3
IBM i	7.2
IBM i	7.1

Remediation/Fixes

The issues can be fixed by applying PTFs 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

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 12
Release 7.3 – SF99725 level 23
Release 7.2 – SF99716 level 33
Release 7.1 – SF99572 level 47

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

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Java SDK security vulnerabilities (ibm.com)

Change History

15 Oct 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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Tips

Security Bulletin: IBM Java SDK and IBM Java Runtime for IBM i are affected by CVE-2021-2369 and CVE-2021-2432