Security Bulletin
Summary
IBM Developer for z Systems has added support for TLS v1.2 with MS-CAPI in the Host Connection Emulator
Vulnerability Details
CVEID: CVE-2017-1796
DESCRIPTION: IBM Developer for z Systems uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/137381 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Affected Products and Versions
IBM Developer for z Systems Version 14.0.0.4, 14.1
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 location:
IBM Developer for z Systems - 14.0.0.5 fix pack
IBM Developer for z Systems - 14.1.1 fix pack
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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
Change History
27 December 2017: Original Copy 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.
Product Synonym
SSL
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Document Information
Modified date:
02 August 2018
UID
swg22011816