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) Affected Products: 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 Unaffected Products: 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 Summary: 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. Details: 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. Recommendation: 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. 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. 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