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ESA-2014-009: RSA BSAFE® SSL-J Multiple Vulnerabilities

EMC Identifier: ESA-2014-009

CVE Identifier: CVE-2011-1473, CVE-2014-0625, CVE-2014-0626, CVE-2014-0627

Severity Rating: CVSS v2 Base Score: See below for individual scores
 
Affected Products:
All versions of RSA BSAFE SSL-J (SSL-J) 5.x, SSL-J 6.0
 
Unaffected Products:
SSL-J 5.1.3, 6.0.2 and 6.1.x
 
Summary: 
SSL-J 6.1.x, 6.0.2 and 5.1.3 contain updates designed to prevent multiple potential security vulnerabilities.
Addressed issues include:
1.     SSL/TLS Renegotiation Denial of Service Vulnerability (CVE-2011-1473)
2.     SSLEngine API Information Disclosure Vulnerability (CVE-2014-0627)
3.     SSL-J JSAFE and JSSE API Information Disclosure Vulnerability (CVE-2014-0626)
4.     SSLSocket Denial of Service Vulnerability (CVE-2014-0625)
 
Details: 
SSL/TLS Renegotiation Denial of Service Vulnerability (CVE-2011-1473)
An application that does not properly restrict client-initiated renegotiation within the SSL and TLS protocols could be vulnerable to a denial of service (CPU consumption) from remote attackers that perform many renegotiations within a single connection. See https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-1473 for more information.

SSL-J 6.1.x, 6.0.2 and 5.1.3 are designed to include a patch to determine the number of renegotiations that have been initiated by each SSL/TLS client for each connection, and to help ensure that the server can set a limit on renegotiation requests.

CVSS v2 Base Score:5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
 
SSLEngine API Information Disclosure Vulnerability (CVE-2014-0627)
When the SSL-J implementation of the SSLEngine API is used, it is possible for Application Data to be sent using the “wrap” method, after sending the Finished message. However at this time, when the initial handshake is either an abbreviated handshake in server mode or a full handshake in client mode, the handshake is incomplete because the peer’s Finished message has not been received. This can occur for both the TLS client and server.
The Application Data that is sent in this manner could be vulnerable to an attacker forcing the use of a weak cipher suite (if weak cipher suites are enabled).

CVSS v2 Base Score: 4.0 (AV:N/AC:H/Au:N/C:P/I:P/A:N)
 
SSL-J JSAFE and JSSE API Information Disclosure Vulnerability (CVE-2014-0626)
Unencrypted and unauthenticated Application Data can be received by the client or server during the TLS handshake. This Application Data is indistinguishable from data received after the completion of the handshake. This applies to the SSL-J JSAFE and JSSE APIs.

CVSS v2 Base Score: 4.0 (AV:N/AC:H/Au:N/C:P/I:P/A:N)
 
SSLSocket Denial of Service Vulnerability (CVE-2014-0625)
If SSLSocket (from both the JSAFE and JSSE APIs) is used, Application Data that is received while a handshake is in progress is placed in an internal buffer. This buffer can grow and use up large amounts of memory.

CVSS v2 Base Score: 4.3 (AV:N/AC:M/Au:N/C:N/I:N/A:P)
 
Recommendation:
RSA recommends that customers on SSL-J 5.1.x or lower upgrade to SSL-J 5.1.3, 6.0.2 or 6.1.1.
RSA recommends that customers on SSL-J 6.0 upgrade to SSL-J 6.0.2 or 6.1.1.
The patch to address CVE-2011-1473 is only applicable on the server side.
 
Obtaining Downloads: 
To request your upgrade of the software, please call your local support telephone number (contact phone numbers are available at https://www.emc.com/support/rsa/contact/phone-numbers.htm) for most expedient service. 

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 https://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:
https://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. 
https://www.emc.com/support/rsa/eops/index.htm

SecurCare Online Security Advisories
RSA, The Security Division of EMC, distributes SCOL 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 disclaim 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 or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if RSA 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.

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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