Security Bulletin: IBM Java SDK and IBM Java Runtime for IBM i are vulnerable to unauthenticated attacker to cause a denial of service or low integrity impact due to multiple vulnerabilities.

Summary

IBM® SDK Java™ Technology Edition and IBM® Runtime Environment Java™ used by IBM i are vulnerable to an unauthorized attacker causing a denial of service or causing a low integrity impact on the server 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-2022-21496
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the JNDI component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/224777 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2022-21434
**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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/224718 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2022-21443
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries 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/224726 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-2021-35561
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Utility 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211637 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2022-21299
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the JAXP 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217594 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

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

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;

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 2

|

<https://www.ibm.com/support/pages/sf99955-750-java-level-2&gt;

7.4|

SF99665 Level 15

|

<https://www.ibm.com/support/pages/sf99665-740-java-level-15&gt;

7.3|

SF99725 Level 26

|

<https://www.ibm.com/support/pages/sf99725-730-java-level-26&gt;

7.2|

SF99716 Level 36

|

<https://www.ibm.com/support/pages/sf99716-720-java-level-36&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