Security Bulletin
Summary
There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition, Version 7 that is used by IBM Tivoli System Automation for Multiplatforms. These issues were disclosed as part of the IBM Java SDK updates in January 2016 and includes the vulnerability commonly referred to as “SLOTH”.
Vulnerability Details
CVEID: CVE-2016-0466
DESCRIPTION: An unspecified vulnerability related to the JAXP 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/109948 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVEID: CVE-2015-7575
DESCRIPTION: The TLS protocol could allow weaker than expected security caused by a collision attack when using the MD5 hash function for signing a ServerKeyExchange message during a TLS handshake. An attacker could exploit this vulnerability using man-in-the-middle techniques to impersonate a TLS server and obtain credentials. This vulnerability is commonly referred to as “SLOTH”.
CVSS Base Score: 7.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109415 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/UI:U/C:H/I:L/A:N)
Affected Products and Versions
IBM Tivoli System Automation for Multiplatforms 4.1, 3.2.2, 3.2.1, and 3.2.0
Remediation/Fixes
The recommended solution is to apply the corresponding fix to IBM Tivoli System Automation for Multiplatforms. To select the fix you need to apply in your environment, click on 'Download link' in the table below.
* If you are running IBM Tivoli System Automation for Multiplatforms 4.1, please apply interim fix “4.1.0.2-TIV-ITSAMP-<OS>-IF0002” where <OS> represents the operating system for which you want to install the interim fix of this product version. You can apply this interim fix on top of any fixpack of version 4.1.
* If you are running IBM Tivoli System Automation for Multiplatforms 3.2.2, please first upgrade to fixpack IBM Tivoli System Automation for Multiplatforms 3.2.2.9. Apply then interim fix “3.2.2.9-TIV-ITSAMP-<OS>-IF0001” where <OS> represents the operating system for which you want to install the fix of this product version. Please note that this interim fix can not be applied to fixpack IBM Tivoli System Automation for Multiplatforms 3.2.2.8 or lower.
* If you are running IBM Tivoli System Automation for Multiplatforms 3.2.1 or IBM Tivoli System Automation for Multiplatforms 3.2.0, then please contact IBM support.
| Product | VRMF | APAR |
| IBM Tivoli System Automation for Multiplatforms | 4.1 and 3.2.2 | Download link |
Workarounds and Mitigations
For CVE-2015-7575:
Users of Java 7 and later can address the issue by updating the /jre/lib/security/java.security file as follows (both steps are required):
- Add MD5 to the jdk.certpath.disabledAlgorithms property - e.g. jdk.certpath.disabledAlgorithms=MD2, RSA keySize < 1024, MD5
- Add MD5withRSA to the jdk.tls.disabledAlgorithms property - e.g. jdk.tls.disabledAlgorithms=SSLv3, RC4, DH keySize < 768, MD5withRSA
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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
Acknowledgement
CVE-2015-7575 was reported to IBM by Karthikeyan Bhargavan at INRIA in Paris, France
Change History
23 March 2016: 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.
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Document Information
Modified date:
17 June 2018
UID
swg21977127