Multiple vulnerabilities in IBM Java SDK affect AIX

IBM SECURITY ADVISORY

First Issued: Fri May 19 10:29:25 CDT 2023

The most recent version of this document is available here:

https://aix.software.ibm.com/aix/efixes/security/java_may2023_advisory.asc

Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect AIX

===============================================================================

SUMMARY:

There are multiple vulnerabilities in IBM SDK Java Technology Edition,
Version 8 used by AIX. AIX has addressed the applicable CVEs.

===============================================================================

VULNERABILITY DETAILS:

CVEID: CVE-2022-21426
    https://vulners.com/cve/CVE-2022-21426
    https://vulners.com/cve/CVE-2022-21426
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/224714
    for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2023-21830
    https://vulners.com/cve/CVE-2023-21830
    https://vulners.com/cve/CVE-2023-21830
DESCRIPTION: An unspecified vulnerability in Java SE related to the
    Serialization component could allow a remote attacker to cause a
    denial of service resulting in a low integrity impact using unknown
    attack vectors.
CVSS Base Score: 5.3
CVSS Temporal Score: See
    https://exchange.xforce.ibmcloud.com/vulnerabilities/245038
    for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2023-21843
    https://vulners.com/cve/CVE-2023-21843
    https://vulners.com/cve/CVE-2023-21843
DESCRIPTION: An unspecified vulnerability in Java SE related to the
     Sound component could allow a remote attacker to cause a denial of
     service resulting in a low integrity impact using unknown attack
     vectors.
CVSS Base Score: 3.7
CVSS Temporal Score: See
    https://exchange.xforce.ibmcloud.com/vulnerabilities/245037
    for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2023-30441
    https://vulners.com/cve/CVE-2023-30441
    https://vulners.com/cve/CVE-2023-30441
DESCRIPTION: IBM Runtime Environment, Java Technology Edition IBMJCEPlus
    and JSSE 8.0.7.0 through 8.0.7.11 components could expose sensitive
    information using a combination of flaws and configurations.
CVSS Base Score: 7.5
CVSS Temporal Score: See
    https://exchange.xforce.ibmcloud.com/vulnerabilities/253188
    for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

AFFECTED PRODUCTS AND VERSIONS:

    AIX 7.2, 7.3
    VIOS 3.1

    The following fileset levels (VRMF) are vulnerable, if the
    respective Java version is installed:
    For Java8:    Less than 8.0.0.800

    Note: To find out whether the affected Java filesets are installed
    on your systems, refer to the lslpp command found in AIX user's guide.

    Example:  lslpp -L | grep -i java

REMEDIATION:

    IBM strongly recommends addressing the vulnerability now.

    Note: Recommended remediation is to always install the most recent
    Java package available for the respective Java version.

    IBM SDK, Java Technology Edition, Version 8 Service Refresh 8 and
    subsequent releases:
32-bit: https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere&product=ibm/IBM+SDKs+for+Java+Technology/Java+Standard+Edition+%28Java+SE%29&release=8.0.0.0&platform=AIX+32-bit,+pSeries&function=all
64-bit: https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere&product=ibm/IBM+SDKs+for+Java+Technology/Java+Standard+Edition+%28Java+SE%29&release=8.0.0.0&platform=AIX+64-bit,+pSeries&function=all

WORKAROUNDS AND MITIGATIONS:

None.

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CONTACT US:

If you would like to receive AIX Security Advisories via email,
please visit "My Notifications":

    http://www.ibm.com/support/mynotifications

Contact IBM Support for questions related to this announcement:

    https://ibm.com/support/

For information on how to securely verify AIX security bulletins and fixes:

    https://www.ibm.com/support/pages/node/6985269

To obtain the OpenSSL public key that can be used to verify the
signed advisories and ifixes:

    Download the key from our web page:

ftp://ftp.software.ibm.com/systems/power/AIX/systems_p_os_aix_security_pubkey.txt
https://aix.software.ibm.com/aix/efixes/security/systems_p_os_aix_security_pubkey.txt

To verify the AIX/VIOS security bulletin:

    Published advisory OpenSSL signature file location:

    https://aix.software.ibm.com/aix/efixes/security/perl_advisory6.asc.sig

    openssl dgst -sha256 -verify [pubkey_file] -signature [advisory_file].sig [advisory_file]

Please contact your local IBM AIX support center for any
assistance.

REFERENCES:

Complete CVSS v2 Guide:
    http://www.first.org/cvss/v2/guide
On-line Calculator v2:
    http://nvd.nist.gov/CVSS-v2-Calculator
Complete CVSS v3 Guide:
    http://www.first.org/cvss/user-guide
On-line Calculator v3:
    http://www.first.org/cvss/calculator/3.0

RELATED INFORMATION:

Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect AIX
    https://www.ibm.com/support/pages/node/6995887

ACKNOWLEDGEMENTS:

None.

CHANGE HISTORY:

First Issued: Fri May 19 10:29:25 CDT 2023

===============================================================================

*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
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an “industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response.” IBM PROVIDES THE CVSS SCORES “AS IS” WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.