Multiple vulnerabilities in IBM Java SDK affect AIX

IBM SECURITY ADVISORY

First Issued: Tue Jul 11 10:46:27 CDT 2023

The most recent version of this document is available here:

https://aix.software.ibm.com/aix/efixes/security/java_jul2023_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-2023-21930
    https://vulners.com/cve/CVE-2023-21930
DESCRIPTION: An unspecified vulnerability in Oracle Java SE, Oracle
    GraalVM Enterprise Edition related to the JSSE component could allow
    an unauthenticated attacker to cause high confidentiality impact and
    high integrity impact.
CVSS Base Score: 7.4
CVSS Temporal Score: See
    https://exchange.xforce.ibmcloud.com/vulnerabilities/253115
    for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

CVEID: CVE-2023-21967
    https://vulners.com/cve/CVE-2023-21967
DESCRIPTION: An unspecified vulnerability in Oracle Java SE, Oracle
    GraalVM Enterprise Edition related to the Hotspot component could
    allow a remote attacker to cause high confidentiality impact.
CVSS Base Score: 5.9
CVSS Temporal Score: See
    https://exchange.xforce.ibmcloud.com/vulnerabilities/253166
    for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID: CVE-2023-21939
    https://vulners.com/cve/CVE-2023-21939
DESCRIPTION: An unspecified vulnerability in Oracle Java SE, Oracle
    GraalVM Enterprise Edition related to the Swing component could allow
    a remote attacker to cause integrity impact.
CVSS Base Score: 5.3
CVSS Temporal Score: See
    https://exchange.xforce.ibmcloud.com/vulnerabilities/253168
    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-2023-21968
    https://vulners.com/cve/CVE-2023-21968
DESCRIPTION: An unspecified vulnerability in Oracle Java SE and GraalVM
    Enterprise Edition related to the Libraries component could allow an
    unauthenticated attacker to cause low integrity impact.
CVSS Base Score: 3.7
CVSS Temporal Score: See
    https://exchange.xforce.ibmcloud.com/vulnerabilities/253083
    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-2023-21937
    https://vulners.com/cve/CVE-2023-21937
DESCRIPTION: An unspecified vulnerability in Oracle Java SE, Oracle
    GraalVM Enterprise Edition related to the Networking component could
    allow a remote attacker to cause integrity impact.
CVSS Base Score: 3.7
CVSS Temporal Score: See
    https://exchange.xforce.ibmcloud.com/vulnerabilities/253167
    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-2023-21938
    https://vulners.com/cve/CVE-2023-21938
DESCRIPTION: An unspecified vulnerability in Oracle Java SE, Oracle
    GraalVM Enterprise Edition related to the Libraries component could
    allow a remote attacker to cause integrity impact.
CVSS Base Score: 3.7
CVSS Temporal Score: See
    https://exchange.xforce.ibmcloud.com/vulnerabilities/253155
    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-2023-2597
    https://vulners.com/cve/CVE-2023-2597
DESCRIPTION: Eclipse Openj9 is vulnerable to a buffer overflow, caused by
    improper bounds checking by the getCachedUTFString() function. By
    using specially crafted input, a local authenticated attacker could
    overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 7.0
CVSS Temporal Score: See
    https://exchange.xforce.ibmcloud.com/vulnerabilities/255906
    for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)

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 8.0.0.805

    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
    Fix Pack 5 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/java_jul2023_advisory.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/7011059

ACKNOWLEDGEMENTS:

None.

CHANGE HISTORY:

First Issued: Tue Jul 11 10:46:27 CDT 2023

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*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.