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             AUSCERT External Security Bulletin Redistribution

        Multiple vulnerabilities have been identified in RSA BSAFE
                       Micro Edition Suite and SSL-C
                             16 September 2016


        AusCERT Security Bulletin Summary

Product:          RSA BSAFE Micro Edition Suite
                  RSA BSAFE SSL-C
Publisher:        EMC
Operating System: Windows
                  UNIX variants (UNIX, Linux, OSX)
Impact/Access:    Access Privileged Data -- Remote/Unauthenticated
Resolution:       Patch/Upgrade
CVE Names:        CVE-2016-0924 CVE-2016-0923 

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Hash: SHA256

EMC Identifier:  ESA-2016-094
CVE Identifier:  CVE-2016-0923, CVE-2016-0924
Affected Products:
•	RSA BSAFE Micro Edition Suite (MES) all 4.1.x versions prior to 4.1.5
•	RSA BSAFE Micro Edition Suite (MES) all 4.0.x versions prior to 4.0.9
Unaffected Products:
•	RSA BSAFE Micro Edition Suite (MES) 4.1.5
•	RSA BSAFE Micro Edition Suite (MES) 4.0.9
•	RSA BSAFE SSL-C all versions
RSA announces security fixes to RSA BSAFE Micro Edition Suite designed to address Security Losses from Obsolete and Truncated Transcript Hashes (SLOTH) attack on TLS 1.2.
•	Incorrectly ordered signature algorithm list vulnerability - CVE-2016-0923
A client application using BSAFE MES will send the signature algorithms list in ascending order of strength. If the server selects the first signature algorithm from the list, the connection might be compromised because of the negotiation of weak algorithms.
CVSS v3 Base Score: 4.8 (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)
•	SLOTH Vulnerability - CVE-2016-0924
For TLS 1.2 capable toolkits an attack is carried out by forcing a hash-construction downgrade to MD5 thus reducing expected security during a TLS connection. This class of attack is called “transcript collision”. The attack relies on the use of an obsolete hash construction such as MD5 in TLS 1.2. (Similar to CVE-2015-7575).
CVSS v3 Base Score: 5.9 (AV:N/AC:H/PR:N/UI:N/S:U//C:H/I:N/A:N)
•	RSA BSAFE Micro Edition Suite (MES) 4.1.5
•	RSA BSAFE Micro Edition Suite (MES) 4.0.9
RSA recommends affected customers upgrade to the versions listed above at the earliest opportunity.
The following workaround is available for CVE-2016-0924:
One option is to operate in FIPS 140 mode. Note that this means using FIP140 mode instead of FIPS 140 SSL mode. RSA-MD5 is not available in FIPS mode.
For additional documentation, downloads, and more, visit the 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.

Read and use the information in this EMC Security Advisory to assist in avoiding any situation that might arise from the problems described herein. If you have any questions regarding this product alert, contact EMC Software Technical Support at 1-877-534-2867.

For an explanation of Severity Ratings, refer to EMC Knowledgebase solution emc218831. EMC 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.

EMC 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. EMC 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 EMC or its suppliers, be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if EMC or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation may not apply.
Version: GnuPG v2


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