IBM SECURITY ADVISORY First Issued: Wed Oct 9 13:12:20 CDT 2019 The most recent version of this document is available here: http://aix.software.ibm.com/aix/efixes/security/java_july2019_advisory.asc https://aix.software.ibm.com/aix/efixes/security/java_july2019_advisory.asc ftp://aix.software.ibm.com/aix/efixes/security/java_july2019_advisory.asc Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect AIX =============================================================================== SUMMARY: There are multiple vulnerabilities in IBM SDK Java Technology Edition, Versions 7, 7.1, 8 used by AIX. AIX has addressed the applicable CVEs. =============================================================================== VULNERABILITY DETAILS: CVEID: CVE-2019-11775 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11775 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11775 DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated privileges on the system, caused by an error where the loop versioner fails to privatize a value that is pulled out of the loop by versioning. An attacker could exploit this vulnerability to corrupt memory and trigger an out-of-array-bounds and perform invalid actions. CVSS Base Score: 8.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/164479 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) CVEID: CVE-2019-11772 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11772 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11772 DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated privileges on the system, caused by an out-of-bounds write in the String.getBytes method. An attacker could exploit this vulnerability to corrupt memory and write to any 32-bit address or beyond the end of a byte array within Java code run under a SecurityManager. CVSS Base Score: 8.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/163990 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) CVEID: CVE-2019-2766 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2766 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2766 DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java SE, Java SE Embedded Networking component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors. CVSS Base Score: 3.1 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/163829 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N) CVEID: CVE-2019-2786 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2786 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2786 DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java SE, Java SE Embedded Security component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors. CVSS Base Score: 3.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/163849 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N) CVEID: CVE-2019-2816 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2816 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2816 DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java SE, Java SE Embedded Networking component could allow an unauthenticated attacker to cause low confidentiality impact, low integrity impact, and no availability impact. CVSS Base Score: 4.8 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/163878 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N) CVEID: CVE-2019-2762 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2762 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2762 DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java SE, Java SE Embedded Utilities 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/163826 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-2019-2769 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2769 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2769 DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java SE, Java SE Embedded Utilities 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/163832 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-2019-7317 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7317 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7317 DESCRIPTION: Mozilla Firefox is vulnerable to a denial of service, caused by a use-after-free in the png_image_free function in the libpng library. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to cause a denial of service. CVSS Base Score: 6.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/161346 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) CVEID: CVE-2019-4473 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-4473 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-4473 DESCRIPTION: Multiple binaries in IBM SDK, Java Technology Edition on the AIX platform use insecure absolute RPATHs, which may facilitate code injection and privilege elevation by local users. CVSS Base Score: 8.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/163984 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) CVEID: CVE-2019-11771 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11771 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11771 DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated privileges on the system, caused by the inclusion of unused RPATHS in AIX builds. An attacker could exploit this vulnerability to inject code and gain elevated privileges on the system. CVSS Base Score: 8.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/163989 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) AFFECTED PRODUCTS AND VERSIONS: AIX 7.1, 7.2 VIOS 2.2, 3.1 The following fileset levels (VRMF) are vulnerable, if the respective Java version is installed: For Java7: Less than 7.0.0.650 For Java7.1: Less than 7.1.0.450 For Java8: Less than 8.0.0.540 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: Note: Recommended remediation is to always install the most recent Java package available for the respective Java version. IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 Fix Pack 50 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=7.0.0.0&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=7.0.0.0&platform=AIX+64-bit,+pSeries&function=all IBM SDK, Java Technology Edition, Version 7R1 Service Refresh 4 Fix Pack 50 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=7.1.0.0&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=7.1.0.0&platform=AIX+64-bit,+pSeries&function=all IBM SDK, Java Technology Edition, Version 8 Service Refresh 5 Fix Pack 40 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 To view previously issued advisories, please visit: http://www14.software.ibm.com/webapp/set2/subscriptions/onvdq Contact IBM Support for questions related to this announcement: http://ibm.com/support/ https://ibm.com/support/ To obtain the OpenSSL public key that can be used to verify the signed advisories and ifixes: Download the key from our web page: http://www.ibm.com/systems/resources/systems_p_os_aix_security_pubkey.txt 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 IBM Java SDK Security Bulletin: https://www.ibm.com/support/docview.wss?uid=ibm10960422 RELATED INFORMATION: Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect AIX http://www-01.ibm.com/support/docview.wss?uid=ibm11072984 ACKNOWLEDGEMENTS: None. CHANGE HISTORY: First Issued: Wed Oct 9 13:12:20 CDT 2019 =============================================================================== *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.