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.

Security Bulletin

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

Affected Product(s)	Version(s)
IBM i	7.5
IBM i	7.4
IBM i	7.3
IBM i	7.2

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

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.

IBM i Release	5770-JV1 Group PTF Number and Level	PTF Download Link
7.5	SF99955 Level 2	https://www.ibm.com/support/pages/sf99955-750-java-level-2
7.4	SF99665 Level 15	https://www.ibm.com/support/pages/sf99665-740-java-level-15
7.3	SF99725 Level 26	https://www.ibm.com/support/pages/sf99725-730-java-level-26
7.2	SF99716 Level 36	https://www.ibm.com/support/pages/sf99716-720-java-level-36

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

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

IBM Java SDK Security Vulnerabilities

Acknowledgement

Change History

10 Aug 2022: 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 vulnerable to unauthenticated attacker to cause a denial of service or low integrity impact due to multiple vulnerabilities.