IBM Support

Security Bulletin: Vulnerability in SSLv3 affects Netezza Performance Portal (CVE-2014-3566)

Created by Shelly Faith on
Published URL:
https://www.ibm.com/support/pages/node/254595
254595

Security Bulletin


Summary

SSLv3 contains a vulnerability that has been referred to as the Padding Oracle On Downgraded Legacy Encryption (POODLE) attack. SSLv3 is enabled in Netezza Performance Portal.

Vulnerability Details

CVE-ID: CVE-2014-3566

DESCRIPTION: Product could allow a remote attacker to obtain sensitive information, caused by a design error when using the SSLv3 protocol. A remote user with the ability to conduct a man-in-the-middle attack could exploit this vulnerability via a POODLE (Padding Oracle On Downgraded Legacy Encryption) attack to decrypt SSL sessions and access the plaintext of encrypted connections.

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/97013 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

Affected Products and Versions

IBM Netezza Performance Portal 2.1.1.0 and earlier

Remediation/Fixes

Product

VRMFAPARRemediation/First Fix
IBM Netezza Performance Portal2.1.1.1N/ALink to Fix

IBM recommends that you review your entire environment to identify areas that enable the SSLv3 protocol and take appropriate mitigation and remediation actions. The most immediate mitigation action that can be taken is disabling SSLv3. You should verify disabling SSLv3 does not cause any compatibility issues.

Workarounds and Mitigations

Disabling SSLv3 in Netezza Performance Portal versions prior to version 2.1:

  • Edit ssl.conf file located in /etc/httpd/conf.d/.
  • Modify line containing
    SSLProtocol all -SSLv2

    by appending it with
    -SSLv3

    The result of this change should look like this
    SSLProtocol all -SSLv2 -SSLv3
  • Save the changes in ssl.conf file.
  • Restart Apache service
    service httpd restart
  • Notify your Netezza Performance Portal users that they should refresh their browsers, and if needed, configure older browser revisions to support TLS 1.2 as described in the Remediation/Fixes section above.

Disabling SSLv3 in Netezza Performance Portal from version 2.1 to version 2.1.1.0:
  • Edit httpd.conf file located in /<NPP_Installation_Directory>/HTTPServer/conf/ (by default it is /usr/local/nzWebAdmin/HTTPServer/conf/ )
  • Change this section:

    <VirtualHost *:443>
    DocumentRoot /usr/local/nzWebAdmin/Admin
    SSLEnable
    <Directory />
    SSLCipherRequire SSL_RSA_WITH_RC4_128_SHA
    SSLCipherRequire TLS_RSA_WITH_AES_128_CBC_SHA
    SSLCipherRequire TLS_RSA_WITH_AES_128_CBC_SHA256
    SSLCipherRequire TLS_RSA_WITH_AES_256_CBC_SHA
    SSLCipherRequire TLS_RSA_WITH_AES_256_CBC_SHA256
    SSLCipherRequire TLS_RSA_WITH_AES_256_GCM_SHA384
    </Directory>
    # Enable only TLSv12 and SSLv3
    SSLProtocolDisable SSLv2 TLSv10 TLSv11
    </VirtualHost>

    by deleting
    SSLCipherRequire SSL_RSA_WITH_RC4_128_SHA

    and adding SSLv3 value to
    SSLProtocolDisable SSLv2 TLSv10 TLSv11

    The result of this change should look like
    <VirtualHost *:443>
    DocumentRoot /usr/local/nzWebAdmin/Admin
    SSLEnable
    <Directory />
    SSLCipherRequire TLS_RSA_WITH_AES_128_CBC_SHA
    SSLCipherRequire TLS_RSA_WITH_AES_128_CBC_SHA256
    SSLCipherRequire TLS_RSA_WITH_AES_256_CBC_SHA
    SSLCipherRequire TLS_RSA_WITH_AES_256_CBC_SHA256
    SSLCipherRequire TLS_RSA_WITH_AES_256_GCM_SHA384
    </Directory>
    # Enable only TLSv12 and SSLv3
    SSLProtocolDisable SSLv2 TLSv10 TLSv11     SSLv3
    </VirtualHost>
  • Save the changes in httpd.conf file.
  • Restart Nzportal-IHS service.
    service nzportal-ihs restart
  • Notify your Netezza Performance Portal users that they should refresh their browsers, and if needed, configure older browser revisions to support TLS 1.2 as described in the Remediation/Fixes section above.

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

7 January 2015: Updated Version Published
21 October 2014: Original Version Published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
17 October 2019

UID

swg21687860

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