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 IBM SONAS.
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 http://xforce.iss.net/xforce/xfdb/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
All releases of IBM SONAS that use SSLv3 are affected by this vulnerability.
Remediation/Fixes
A fix for these issues is in version 1.5.2.1 of IBM SONAS. Customers running an affected version of SONAS should upgrade to 1.5.2.1 or a later version, so that the fix gets applied.
Please contact IBM support for assistance in upgrading your system.
Workarounds and Mitigations
IBM recommends that you reduce your exposure to these vulnerabilities by taking all of the following actions:
1. Upgrade affected versions of IBM SONAS to version 1.5.2.1
2. Implement comprehensive IT security practices, such as the use of firewalls, strong authentication, intrusion detection, virus protection, and remote monitoring.
3. Review your entire environment to disable the SSLv3 protocol. The most immediate action that can be taken is disabling SSLv3. Again, you should verify disabling SSLv3 does not cause any compatibility issues.
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References
Change History
20 November 2014 : First draft
21 May 2015 : Second draft. Updated with notification of further fix
*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.
Internal Use Only
PSIRT 2290
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Document Information
Modified date:
17 June 2018
UID
ssg1S1005001