Security Bulletin: Vulnerability in libssh2 affects SAN Volume Controller and Storwize Family (CVE-2015-1782)

Summary

A vulnerability in libssh2 affects SAN Volume Controller and Storwize Family.

Vulnerability Details

CVEID: CVE-2015-1782**
DESCRIPTION:** libssh2 is vulnerable to a denial of service, caused by an error in kex_agree_methods function. By sending a specially-craftedlity to cause the system to stop responding. SSH_MSG_KEXINIT packet, a remote attacker could exploit this vulnerability.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/101964 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Affected Products and Versions

IBM SAN Volume Controller
IBM Storwize V7000
IBM Storwize V5000
IBM Storwize V3700
IBM Storwize V3500

Only version 7.6 is affected.

Remediation/Fixes

IBM recommends that you fix this vulnerability by upgrading affected versions of IBM SAN Volume Controller, IBM Storwize V7000, V5000, V3700 and V3500 to the following code level or higher:

7.6.1.1

Latest SAN Volume Controller Code
Latest Storwize V7000 Code
Latest Storwize V5000 Code
Latest Storwize V3700 Code
Latest Storwize V3500 Code

Workarounds and Mitigations

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.