Security Bulletin: Java vulnerability on IBM FlashSystem V840 product model number AC0 node (CVE-2014-0411)

Summary

Java vulnerability could allow decryption of long GUI session

Vulnerability Details

CVEID:
CVE-2014-0411

DESCRIPTION:

Java is used in the system’s GUI.Timing differences based on the validity of messages can be exploited to decrypt the entire session. The exploit is not trivial, requiring a man-in-the-middle position and a long time (around 20 hours). Decryption of the session could give the attacker access to user credentials.

CVE-2014-0411
CVSS Base Score: 4
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/90357 for the current score

Affected Products and Versions

IBM FlashSystem V840 product, model number AC0 node

All AC0 nodes are affected when running code release 7.2. Code release 7.3 is not vulnerable.

Remediation/Fixes

IBM recommends that you fix this vulnerability by upgrading affected versions of IBM FlashSystem V840 product, model number AC0 node to the following code level or higher:

7.3.0.3

Latest FlashSystem V840 Code

Workarounds and Mitigations

Limit the length of GUI sessions to less than 20 hours.

Although IBM recommends that you install a level of code with a fix for this vulnerability, you can mitigate, although not eliminate, your risk until you have done so by ensuring that all users who have access to the system are authenticated by another security system such as a firewall.