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HistoryOct 27, 2020 - 3:51 p.m.

Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect Rational Developer for System z (CVE-2015-0138, CVE-2015-0410, CVE-2014-6593)

2020-10-2715:51:50
www.ibm.com
28
ibm java sdk
rational developer for system z
cve-2015-0138
cve-2015-0410
cve-2014-6593
freak attack
ssl/tls
denial of service

EPSS

0.698

Percentile

98.1%

Summary

There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition, Versions 6 and 7 that is used by Rational Developer for System z. These issues were disclosed as part of the IBM Java SDK updates in January 2015. This bulletin also addresses the “FREAK: Factoring Attack on RSA-EXPORT keys" TLS/SSL client and server vulnerability…

Vulnerability Details

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  • Follow this link for more information (requires login with your IBM ID)
    —|—

CVEID: CVE-2015-0138**
DESCRIPTION:** A vulnerability in various IBM SSL/TLS implementations could allow a remote attacker to downgrade the security of certain SSL/TLS connections. An IBM SSL/TLS client implementation could accept 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 http://exchange.xforce.ibmcloud.com/#/vulnerabilities/100691 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVEID: CVE-2015-0410**
DESCRIPTION:** An unspecified vulnerability related to the Security 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/100151&gt;_ for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVEID: CVE-2014-6593**
DESCRIPTION:** An unspecified vulnerability related to the JSSE component has partial confidentiality impact, partial integrity impact, and no availability impact.
CVSS Base Score: 4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/100153&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:N)

Affected Products and Versions

Principal Product and Version(s)

| Affected Supporting Product and Version
—|—
Rational Developer for System z, versions 9.1.x, 9.0.x, 8.5.x|

  • IBM SDK, Java Technology Edition, Version 6 Service Refresh 16 FP3 and earlier
  • IBM SDK, Java Technology Edition, Version 7 Service Refresh 8 FP10 and earlier

Remediation/Fixes

IBM has provided patches for all affected versions.

Follow the installation instructions in the README files included with the patch.

The fix can be obtained at the following locations: