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Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM Rational Software Architect , Rational Software Architect for Websphere software and Rational Software Architect Real Time (CVE-2015-4000, CVE-2015-0488, CVE-2015-0478, CVE-2015-0

Security Bulletin


Summary

There are multiple vulnerabilities in IBM® Runtime Environment Java™ Technology Edition, Versions 6 and 7 that are used by IBM Rational Software Architect , Rational Software Architect for Websphere software and Rational Software Architect Real Time. These issues were disclosed as part of the Logjam and IBM Java SDK updates in April 2015.

Vulnerability Details

CVEID: CVE-2015-4000
DESCRIPTION: The TLS protocol could allow a remote attacker to obtain sensitive information, caused by the failure to properly convey a DHE_EXPORT ciphersuite choice. An attacker could exploit this vulnerability using man-in-the-middle techniques to force a downgrade to 512-bit export-grade cipher. Successful exploitation could allow an attacker to recover the session key as well as modify the contents of the traffic. This vulnerability is commonly referred to as "Logjam".

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/103294 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)


CVEID: CVE-2015-0488

DESCRIPTION: An unspecified vulnerability in Oracle Java SE and Jrockit related to the JSSE component could allow a remote attacker to cause a denial of service.

CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/102336 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)


CVEID: CVE-2015-0478

DESCRIPTION: An unspecified vulnerability in Oracle Java SE and JRockit related to the JCE component could allow a remote attacker to obtain sensitive information.

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/102339 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)


CVEID: CVE-2015-2808

DESCRIPTION: The RC4 algorithm, as used in the TLS protocol and SSL protocol, could allow a remote attacker to obtain sensitive information. An attacker could exploit this vulnerability to remotely expose account credentials without requiring an active
man-in-the-middle session. Successful exploitation could allow an attacker to retrieve credit card data or other sensitive information. This vulnerability is commonly referred to as "Bar Mitzvah Attack".

CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/101851 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)


CVEID: CVE-2015-1916

DESCRIPTION: Server applications which use the IBM Java Secure Socket Extension provider to accept SSL/TLS connections are vulnerable to a denial of service attack due to an unspecified vulnerability.

CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/101995 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)


CVEID: CVE-2015-0204

DESCRIPTION: A vulnerability in the OpenSSL ssl3_get_key_exchange function could allow a remote attacker to downgrade the security of certain TLS connections. An OpenSSL client accepts the use of an RSA temporary key in a non-export
RSA key exchange ciphersuite. This could allow a remote attacker using man-in-the-middle techniques to facilitate brute-force decryption of TLS/SSL traffic between vulnerable clients and servers. This vulnerability is also known as the FREAK attack.

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/99707 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

Affected Products and Versions

IBM Rational Software Architect, IBM Rational Software Architect for Websphere Software and IBM Rational Software Architect Real-Time Edition Versions 8.0.x to 8.0.4.2, 8.5 to 8.5.5.3 and
9.0 to 9.1.2

Workarounds and Mitigations

Product VRMF Remediation/Download FixCentral Link
Rational Software Architect
Rational Software Architect for Websphere Software
Rational Software Architect Real-Time Edition
8.0.x to 8.0.4.2 RSA FixCentral Link for IBM Java 6 SR16 FP5

RSA4WS FixCentral Link for IBM Java 6 SR16 FP5
8.5 to 8.5.5.3 and
9.0 to 9.1.2
RSA FixCentral Link for IBM Java 7 SR19 FP1

RSA4WS FixCentral Link for IBM Java 7 SR19 FP1

RSART FixCentral Link for IBM Java 7 SR19 FP1

Installation Instructions:

For instructions on installing this update using Installation Manager, review the topic Updating Installed Product Packages in the IBM Knowledge Center.

Instructions to download and install the update from the compressed files:

1. Download the update files from Fix Central by following the link listed in the download table above.
2. Extract the compressed files in an appropriate directory.
For example, choose to extract to C:\temp\update
3. Add the update repository location in IBM Installation Manager.
4. Start IBM Installation Manager.
5. On the Start page of Installation Manager, click File > Preferences, and then click Repositories. The Repositories page opens.
6. On the Repositories page, click Add Repository.
7. In the Add repository window, browse to or enter the file path to the repository.config file, which is located in the directory where you extracted the compressed files and then click OK.
For example, enter C:\temp\updates\repository.config.
8. Click OK to close the Preference page.
9. Install the update as described in the the topic Updating Installed Product Packages in the IBM Knowledge Center for your product and version.

Get Notified about Future Security Bulletins

References

Complete CVSS v2 Guide
On-line Calculator v2

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

Reported to IBM by The WeakDH team at https://weakdh.org

*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: Rational Software Architect for WebSphere Software
General Information

Software version: 8.0, 8.0.1, 8.0.2, 8.0.3, 8.0.4, 8.0.4.1, 8.0.4.2, 8.5, 8.5.1, 8.5.5, 8.5.5.1, 8.5.5.2, 8.5.5.3, 9.0, 9.0.0.1, 9.1, 9.1.1, 9.1.2

Operating system(s): Linux, OS X, Windows

Reference #: 1959530

Modified date: 14 August 2017


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