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Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM Rational ClearCase (CVE-2018-1656, CVE-2018-12539)

Created by Igets Administrator on
Published URL:
https://www.ibm.com/support/pages/node/730083
730083

Security Bulletin


Summary

There are multiple vulnerabilities in IBM® Runtime Environment Java™ Versions 6, 7, and 8, which are used by IBM Rational ClearCase. These issues were disclosed as part of the IBM Java SDK updates in July 2018.

Vulnerability Details

CVEID:  CVE-2018-1656
DESCRIPTION:  The IBM Java Runtime Environment's Diagnostic Tooling Framework for Java (DTFJ) does not protect against path traversal attacks when extracting compressed dump files.
CVSS Base Score: 7.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/144882 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N)

CVEID: CVE-2018-12539
DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated privileges on the system, caused by the failure to restrict the use of Java Attach API to connect to an Eclipse OpenJ9 or IBM JVM on the same machine and use Attach API operations to only the process owner. An attacker could exploit this vulnerability to execute untrusted native code and gain elevated privileges on the system.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/148389 for more information
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 Rational ClearCase version 8 and 9 in the following components:

  • CCRC WAN server/CM Server component, when configured to use SSL
  • ClearCase remote client: CCRC/CTE GUI, rcleartool, and CMAPI clients
ClearCase version
Status
9.0.1 through 9.0.1.4
Affected
9.0 through 9.0.0.6
Affected
8.0 through 8.0.0.21 Affected
8.0.1 through 8.0.1.18 Affected

Remediation/Fixes

The solution is to install a fix that includes an updated Java™ Virtual Machine with fixes for the issues, and to apply fixes for WebSphere Application Server (WAS).

Client and server fixes

  • Apply the relevant fixes as listed in the table below.
     
    Affected Versions
    Applying the fix
    9.0.1 through 9.0.1.4
    9.0 through 9.0.0.6
    		 Install Rational ClearCase Fix Pack 5 (9.0.1.5) for 9.0.1

    8.0.1 through 8.0.1.18
    8.0 through 8.0.0.21

    		 Install Rational ClearCase Fix Pack 19 (8.0.1.19) for 8.0.1
    For 8.0 and earlier releases, IBM recommends upgrading to a fixed, supported version/release/platform of the product.
    Notes:
    • If you use CCRC as an extension offering installed into an Eclipse shell (one not provided as part of a ClearCase release), or you use rcleartool or CMAPI using a Java™ Virtual Machine not supplied by IBM as part of Rational ClearCase, you should update the Java™ Virtual Machine that you use to include a fix for the above issues. Contact the supplier of your Java™ Virtual Machine and/or the supplier of your Eclipse shell.
    • There is no Java™ Virtual Machine fix for HP-UX available in ClearCase 8.0.1.19. Please see https://developer.ibm.com/javasdk/support/lifecycle/ for more details.

CCRC WAN server fixes

Affected Versions
Applying the fix
9.0.0.x
9.0.1.x
8.0.1.x
8.0.0.x		 Apply the appropriate WebSphere Application Server fix directly to your CCRC WAN server host. No ClearCase-specific steps are necessary.
    1. Determine the WAS version used by your CCRC WAN server. Navigate to the CCRC profile directory (either the profile you specified when installing ClearCase, or <ccase-home>/common/ccrcprofile), then execute the script: bin/versionInfo.sh (UNIX) or bin\versionInfo.bat (Windows). The output includes a section "IBM WebSphere Application Server". Make note of the version listed in this section.
    2. Review the following WAS security bulletin:

      Security Bulletin: Multiple vulnerabilities in IBM® Java SDK affects WebSphere Application Server July 2018 CPU

      and apply the latest available fix for the version of WAS used for CCRC WAN server.
    • Note: there may be newer security fixes for WebSphere Application Server. Follow the link below (in the section "Get Notified about Future Security Bulletins") to subscribe to WebSphere product support alerts for additional Java SDK fixes.

Workarounds and Mitigations

None

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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.

References

Complete CVSS v3 Guide
On-line Calculator v3

Off

IBM Java SDK security bulletin

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
15 November 2018

UID

ibm10730083

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