Security Bulletin
Summary
Vulnerabilities in OpenSSL affect WebSphere Message Broker
Vulnerability Details
CVEID: CVE-2018-0732
DESCRIPTION: During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o).
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/144658 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
WebSphere Message Broker V8
Remediation/Fixes
| Product | VRMF | APAR | Remediation/Fixes |
| WebSphere Message Broker | V8.0.0.0 - V8.0.0.9 | IT29374 | Contact IBM support to request for Fix APAR |
If you are a customer with extended support and require a fix, contact IBM support
Workarounds and Mitigations
None
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References
Change History
17 Dec 2019: Initial Publication
*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.
Document Location
Worldwide
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Document Information
Modified date:
22 December 2019
UID
ibm11150954