IBM SECURITY ADVISORY First Issued: Thu Mar 7 15:16:48 CST 2024 The most recent version of this document is available here: https://aix.software.ibm.com/aix/efixes/security/java_feb2024_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-2024-20952 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-20952 DESCRIPTION: An unspecified vulnerability in Java SE related to the Security component could allow a remote 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/279685 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-2024-20918 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-20918 DESCRIPTION: An unspecified vulnerability in Java SE related to the VM component could allow a remote 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/279718 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-2024-20921 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-20921 DESCRIPTION: An unspecified vulnerability in Java SE related to the VM 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/279734 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-2024-20926 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-20926 DESCRIPTION: An unspecified vulnerability in Java SE related to the Scripting 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/279716 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-2024-20945 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-20945 DESCRIPTION: An unspecified vulnerability in Java SE related to the VM component could allow a local authenticated attacker to cause high confidentiality impact. CVSS Base Score: 4.7 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/279775 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:N/A:N) CVEID: CVE-2023-33850 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-33850 DESCRIPTION: IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation. By sending an overly large number of trial messages for decryption, an attacker could exploit this vulnerability to obtain sensitive information. CVSS Base Score: 7.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/257132 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, 4.1 The following fileset levels (VRMF) are vulnerable, if the respective Java version is installed: For Java8: Less than 8.0.0.820 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 20 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. =============================================================================== 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: 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_feb2024_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/7130904 ACKNOWLEDGEMENTS: None. CHANGE HISTORY: First Issued: Thu Mar 7 15:16:48 CST 2024 =============================================================================== *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.