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AUSCERT External Security Bulletin Redistribution
ESB-2015.3224
RSA SecurID Web Agent Authentication Bypass Vulnerability
23 December 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: RSA SecurID Web Agent
Publisher: EMC
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2015-6851
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ESA-2015-177: RSA SecurID Web Agent Authentication Bypass Vulnerability
EMC Identifier: ESA-2015-177
CVE Identifier: CVE-2015-6851
Severity Rating: 6.6 (AV:L/AC:L/Au:N/C:C/I:C/A:N)
Affected Products:
RSA SecurID Web Agent versions prior to 8.0.
Summary:
RSA SecurID Web Agent contains a patch that is designed to fix a
Authentication bypass vulnerability that may potentially be exploited by
malicious users to compromise the confidentiality and integrity of the
affected system.
Details:
RSA SecurID Web Agent could be affected by Authentication bypass
vulnerability. In versions prior to 8.0, when the browser window was idle for
more than a configured amount of time, the session was not terminated instead
a privacy screen (pop-up for re-authentication) was rendered. A malicious
user, with local or physical access to the end user system, would be able to
dismiss the privacy screen using DOM Inspector tool and continue using Web
Agent without re-authentication.
Recommendation:
The following RSA SecurID Web Agent release contains resolution to this
vulnerability:
RSA SecurID Web Agent version 8.0
RSA recommends all customers upgrade at the earliest opportunity.
Obtaining Downloads:
To obtain the latest RSA product downloads, log on to RSA SecurCare Online at
https://knowledge.rsasecurity.com and click Products in the top navigation
menu. Select the specific product whose download you want to obtain. Scroll to
the section for the product download that you want and click on the link.
Obtaining Documentation:
To obtain RSA documentation, log on to RSA SecurCare Online at
https://knowledge.rsasecurity.com and click Products in the top navigation
menu. Select the specific product whose documentation you want to obtain.
Scroll to the section for the product version that you want and click the set
link.
Severity Rating:
For an explanation of Severity Ratings, refer to the Knowledge Base Article,
Security Advisories Severity Rating at
https://knowledge.rsasecurity.com/scolcms/knowledge.aspx?solution=a46604. 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.
Obtaining More Information:
For more information about RSA products, visit the RSA web site at
http://www.rsa.com.
Getting Support and Service:
For customers with current maintenance contracts, contact your local RSA
Customer Support center with any additional questions regarding this RSA
SecurCare Note. For contact telephone numbers or e-mail addresses, log on to
RSA SecurCare Online at https://knowledge.rsasecurity.com, click Help &
Contact, and then click the Contact Us - Phone tab or the Contact Us - Email
tab.
General Customer Support Information:
http://www.emc.com/support/rsa/index.htm
RSA SecurCare Online:
https://knowledge.rsasecurity.com
EOPS Policy:
RSA has a defined End of Primary Support policy associated with all major
versions. Please refer to the link below for additional details.
http://www.emc.com/support/rsa/eops/index.htm
SecurCare Online Security Advisories
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,
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.
About RSA SecurCare Notes & Security Advisories Subscription
RSA SecurCare Notes & Security Advisories are targeted e-mail messages that
RSA sends you based on the RSA product family you currently use. If you'd like
to stop receiving RSA SecurCare Notes & Security Advisories, or if you'd like
to change which RSA product family Notes & Security Advisories you currently
receive, log on to RSA SecurCare Online at
https://knowledge.rsasecurity.com/scolcms/help.aspx?_v=view3. Following the
instructions on the page, remove the check mark next to the RSA product family
whose Notes & Security Advisories you no longer want to receive. Click the
Submit button to save your selection.
Sincerely, RSA Customer Support
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The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
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