ESA-2015-151: RSA® OneStep Path Traversal Vulnerability
EMC Identifier: ESA-2015-151
CVE Identifier: CVE-2015-4546
Severity Rating: CVSS v2 Base Score: 7.8 (AV:N/AC:L/Au:N/C:C/I:N/A:N)
RSA OneStep 6.9 prior to Build 559
RSA OneStep included in RSA Certificate Manager 6.9 build 558 and earlier
RSA OneStep included in RSA Registration Manager 6.9 build 558 and earlier
RSA OneStep 6.9 build 559
RSA Certificate Manager 6.9 build 558 updated with RSA OneStep 6.9 build 559
RSA Registration Manager 6.9 build 558 updated with RSA OneStep 6.9 build 559
RSA OneStep is potentially affected by a path traversal vulnerability. Attackers could potentially exploit this vulnerability to access unauthorized information by supplying specially crafted strings in input parameters of the application.
This vulnerability affects KCSOSC_ERROR_PAGE parameter which could potentially be exploited by a remote unauthenticated attacker to read files outside of the RSA OneStep installation directory.
The following RSA OneStep release contains the resolution to this issue:
RSA OneStep 6.9 Build 559 or later
RSA recommends all customers upgrade to the version mentioned above at the earliest opportunity.
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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.
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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.
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