Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect Rational Build Forge (CVE-2019-4473; CVE-2019-11771)

Security Bulletin

Summary

There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition that is used by IBM Rational Build Forge. IBM Rational Build Forge has addressed the applicable CVEs.

Vulnerability Details

Rational Build Forge has addressed the following vulnerabilities:

If you run your own Java code using the IBM Java Runtime delivered with this product, you should evaluate your code to determine whether additional Java vulnerabilities are applicable to your code. For a complete list of vulnerabilities, refer to the "IBM Java SDK Security Bulletin", located in the References section for more information.

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 Rational Build Forge 8.0 to 8.0.0.12.

Remediation/Fixes

Apply the correct fix pack or iFix for your version of Build Forge:

Affected Version	Fix
Build Forge 8.0 - 8.0.0.12	Rational Build Forge 8.0.0.13 Download.

Workarounds and Mitigations

None.

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

IBM Java SDK Security Bulletin.

Acknowledgement

None

Change History

30 SEPTEMBER 2019: 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

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

Internal Use Only

PSIRT Advisory 17288.

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Tips

Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect Rational Build Forge (CVE-2019-4473; CVE-2019-11771)