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Security Bulletin: Vulnerabilities in the Java runtime environment that IBM provides affect WebSphere eXtreme Scale

Security Bulletin


Summary

There are vulnerabilities in IBM® Runtime Environment Java™ Version 7 and 8 used by WebSphere eXtreme Scale. The issues were disclosed as part of the IBM SDK, Java™ Technology Edition updates in January 2019.

Vulnerability Details

If you run your own Java code using the Java Runtime that IBM provides with this product, then evaluate your code to determine whether the complete list of vulnerabilities are applicable to your code. For a complete list of vulnerabilities, refer to the IBM SDK, Java Technology Edition Security Bulletins located in the “References” section for more information.

CVEID: CVE-2018-1890
DESCRIPTION: IBM SDK, Java Technology Edition Version 8 on the AIX platform uses absolute RPATHs which may facilitate code injection and privilege elevation by local users.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/152081  for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L)

CVEID: CVE-2018-12547
DESCRIPTION: Eclipse OpenJ9 is vulnerable to a buffer overflow, caused by improper bounds checking by the jio_snprintf() and jio_vsnprintf() functions. By sending an overly long argument, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/157512 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:  CVE-2019-2426
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: 3.7
CVSS Temporal Score: See  https://exchange.xforce.ibmcloud.com/vulnerabilities/155744  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:N/A:N)

Affected Products and Versions

WebSphere Extreme Scale: 8.6.0
WebSphere Extreme Scale: 8.6.1

Remediation/Fixes

Product VRMF APAR Remediation/First Fix
WebSphere eXtreme Scale 8.6.0.8 PH11543 Refer to the Version 8.6 table in the Recommended Fixes page for WebSphere eXtreme Scale.
WebSphere eXtreme Scale 8.6.1.3 PH11543 Refer to the Version 8.6.1 table in the Recommended Fixes page for WebSphere eXtreme Scale.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

2019 May 31 Original version published

*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.

Document information

More support for: WebSphere eXtreme Scale

Software version: 8.6

Operating system(s): AIX, HP-UX, Linux, Solaris, Windows

Reference #: 0884066

Modified date: 31 May 2019