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DSA-2018-198: RSA(r) BSAFE(r) Micro Edition Suite Key Management Error Vulnerability

Dell EMC Identifier:  DSA-2018-198

CVE Identifier: CVE-2018-15769

Severity:  Medium


Severity Rating: CVSS v3 Base Score: 5.3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products:

RSA BSAFE Micro Edition Suite versions prior to 4.0.11 (in 4.0.x series)
RSA BSAFE Micro Edition Suite versions prior to 4.1.6.2 (in 4.1.x series)

Summary:

RSA BSAFE Micro Edition Suite contains a fix for a key management error that could potentially be exploited by malicious users to compromise the affected system.


Details:

RSA BSAFE Micro Edition Suite versions prior to 4.0.11 (in 4.0.x series) and versions prior to 4.1.6.2 (in 4.1.x series) contain a key management error issue. A malicious TLS server could potentially cause a Denial Of Service (DoS) on TLS clients during the handshake when a very large prime value is sent to the TLS client, and an Ephemeral or Anonymous Diffie-Hellman cipher suite (DHE or ADH) is used.

Recommendation:

The following RSA BSAFE Micro Edition Suite releases contain resolutions to these vulnerabilities:

RSA BSAFE Micro Edition Suite version 4.0.11
RSA BSAFE Micro Edition Suite version 4.1.6.2

RSA recommends all customers upgrade at the earliest opportunity.


For additional documentation, downloads, and more, visit the RSA BSAFE page on RSA Link.

EOPS Policy:

RSA has a defined End of Primary Support policy associated with all major versions. Please refer to the Product Version Life Cycle for additional details.

Severity Rating

For an explanation of Severity Ratings, refer to the Security Advisories Severity Rating (https://community.rsa.com/docs/DOC-47147) knowledge base article. RSA recommends all customers take into account both the base score and any relevant temporal and environmental scores which may impact the potential severity associated with particular security vulnerability.


Legal Information

Read and use the information in this RSA Security Advisory to assist in avoiding any situation that might arise from the problems described herein. If you have any questions regarding this advisory, contact RSA Technical Support (https://community.rsa.com/docs/DOC-1294). RSA Security LLC and its affiliates, including without limitation, its ultimate parent company, Dell Technologies, distribute RSA Security Advisories in order to bring to the attention of users of the affected RSA products, important security information. RSA recommends that all users determine the applicability of this information to their individual situations and take appropriate action. The information set forth herein is provided "as is" without warranty of any kind. RSA disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event shall RSA, its affiliates or its suppliers, be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if RSA, its affiliates or its suppliers have been advised of the possibility of such damages. Some jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation may not apply.

Dell EMC Product Security Incident Response Team
secure@dell.com
http://www.emc.com/products/security/product-security-response-center.htm
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