000033826 - RSA Authentication Manager 8.2 Multiple Open SSL Vulnerabilities - False Positive

Document created by RSA Customer Support Employee on Aug 26, 2016
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Article Number000033826
Applies ToRSA Authentication Manager 8.2
 
CVE IDCVE-2016-2177, CVE-2016-2178
Article SummaryInformation requested by RSA Customer Support regarding the impact of certain vulnerabilities announced by the openssl.org group in June and July 2016.  The vulnerabilities discussed are:
  • CVE-2016-2177 - openssl: Possible integer overflow vulnerabilities in codebase
  • CVE-2016-2178 - openssl: Non-constant time codepath followed for certain operations in DSA implementation
Link to Advisorieshttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-2177
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-2178

 
Alert ImpactNot Exploitable
Technical DetailsThe flaw exists but it is not exploitable
Technical Details ExplanationData from OpenSSL and NVD
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CVE-2016-2177

OpenSSL through 1.0.2h incorrectly uses pointer arithmetic for heap-buffer boundary checks, which might allow remote attackers to cause a denial of service (integer overflow and application crash) or possibly have unspecified other impact by leveraging unexpected malloc behavior, related to s3_srvr.c, ssl_sess.c, and t1_lib.c.
Response: The flaw exists but cannot be exploited.
Authentication Manager provides no way to control or cause the error. The issue identifies a pointer arithmetic problem which occurs locally. It does not appear that the adversary has any control to be able to make the comparison error occur at will (as it depends on an overflow based on a malloc result).
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CVE-2016-2178


The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.
Response: The flaw exists but cannot be exploited.
Authentication Manager does not use DSA certificates.

 

Disclaimer

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 product alert, contact RSA Software Technical Support at 1- 800 995 5095. RSA Security LLC and its affiliates, including without limitation, its ultimate parent company, EMC Corporation, distributes 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 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 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.

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