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AUSCERT External Security Bulletin Redistribution
ESB-2019.2919
Multiple vulnerabilities may affect IBM SDK, Java Technology Edition
5 August 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Java
Publisher: IBM
Operating System: Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Increased Privileges -- Existing Account
Modify Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-11775 CVE-2019-11772 CVE-2019-11771
CVE-2019-7317 CVE-2019-4473 CVE-2019-2816
CVE-2019-2786 CVE-2019-2769 CVE-2019-2766
CVE-2019-2762
Reference: ASB-2019.0212
ESB-2019.2898
ESB-2019.2879
ESB-2019.2874.2
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10960422
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Multiple vulnerabilities may affect IBM® SDK, Javaâ\x{132}¢ Technology Edition
Product: IBM Java
Software version: All Versions
Operating system(s): Platform Independent
Reference #: 0960422
Security Bulletin
Summary
Java SE issues disclosed in the Oracle July 2019 Critical Patch Update, plus
four additional vulnerabilities
Vulnerability Details
VULNERABILITY DETAILS:
CVE IDs: CVE-2019-7317 CVE-2019-2769 CVE-2019-2762 CVE-2019-2816 CVE-2019-2786
CVE-2019-2766 CVE-2019-11772 CVE-2019-11775 CVE-2019-4473 CVE-2019-11771
DESCRIPTION: This bulletin covers all applicable Java SE CVEs published by
Oracle as part of their July 2019 Critical Patch Update, plus four additional
vulnerabilities. For more information please refer to Oracle's July 2019 CPU
Advisory and the X-Force database entries referenced below.
CVEID: CVE-2019-7317
DESCRIPTION: libpng is vulnerable to a denial of service, caused by a
use-after-free in png_image_free in png.c. By persuading a victim to open a
specially-crafted file, a remote attacker could exploit this vulnerability to
cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
156548 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2019-2769
DESCRIPTION: An unspecified vulnerability related to the Java SE 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-2019-2762
DESCRIPTION: An unspecified vulnerability related to the Java SE 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-2019-2816
DESCRIPTION: An unspecified vulnerability related to the Java SE 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-2019-2786
DESCRIPTION: An unspecified vulnerability related to the Java SE 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-2019-2766
DESCRIPTION: An unspecified vulnerability related to the Java SE 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-2019-11772
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-2019-11775
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-2019-4473
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
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
IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 Fix Pack 45 and
earlier releases
IBM SDK, Java Technology Edition, Version 7R1 Service Refresh 4 Fix Pack 45 and
earlier releases
IBM SDK, Java Technology Edition, Version 8 Service Refresh 5 Fix Pack 37 and
earlier releases
For detailed information on which CVEs affect which releases, please refer to
the IBM SDK, Java Technology Edition Security Vulnerabilities page .
Remediation/Fixes
Fixes for applicable vulnerabilities are included in IBM SDK, Java Technology
Edition, Version 7 Service Refresh 10 Fix Pack 50 and subsequent releases
Fixes for applicable vulnerabilities are included in IBM SDK, Java Technology
Edition, Version 7R1 Service Refresh 4 Fix Pack 50 and subsequent releases
Fixes for applicable vulnerabilities are included in IBM SDK, Java Technology
Edition, Version 8 Service Refresh 5 Fix Pack 40 and subsequent releases
IBM SDK, Java Technology Edition releases can be downloaded, subject to the
terms of the developerWorks license, from the Java Developer Center .
IBM customers requiring an update for an SDK shipped with an IBM product should
contact IBM support , and/or refer to the appropriate product security
bulletin.
APAR numbers are as follows:
IJ17990 (CVE-2019-7317)
IJ17991 (CVE-2019-2769)
IJ17992 (CVE-2019-2762)
IJ17993 (CVE-2019-2816)
IJ17994 (CVE-2019-2786)
IJ17995 (CVE-2019-2766)
IJ17984 (CVE-2019-11772)
IJ18003 (CVE-2019-11775)
IJ17983 (CVE-2019-4473)
IJ17982 (CVE-2019-11771)
Important Note
IBM strongly suggests that all System z customers be subscribed to the System z
Security Portal to receive the latest critical System z security and integrity
service. If you are not subscribed, see the instructions on the System z
Security web site . Security and integrity APARs and associated fixes will be
posted to this portal. IBM suggests reviewing the CVSS scores and applying all
security or integrity fixes as soon as possible to minimize any potential risk.
Oracle July 2019 Java SE Critical Patch Update Advisory
IBM SDK, Java Technology Edition Security Vulnerabilities
Change History
August 1 2019: Original Version Published
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