Security Bulletin: Vulnerability in Libcurl affects IBM Flex System EN6131 40Gb Ethernet / IB6131 40Gb Infiniband Switch firmware (CVE-2016-0755)

Summary

IBM Flex System EN6131 40Gb Ethernet / IB6131 40Gb Infiniband Switch firmware has addressed the following vulnerability in Libcurl.

Vulnerability Details

Summary

IBM Flex System EN6131 40Gb Ethernet / IB6131 40Gb Infiniband Switch firmware has addressed the following vulnerability in Libcurl.

Vulnerability Details:

CVEID: CVE-2016-0755

Description: Libcurl could allow a remote attacker to bypass security restrictions, caused by the failure to check NTLM-authenticated proxy connections for reuse. An attacker could exploit this vulnerability to use a proxy connection for a different authenticated client username.

CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/110290&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Remediation/Fixes:

Firmware fix versions are available on Fix Central:
<http://www.ibm.com/support/fixcentral/&gt;.

Workaround(s) & Mitigation(s):

None

References:

• Complete CVSS v3 Guide
• On-line Calculator v3

Related Information:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Lenovo Product Security Advisories

Acknowledgement

None

Change History
10 February 2017: Original Copy 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an “industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response.” IBM PROVIDES THE CVSS SCORES “AS IS” WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.