Security Bulletin: Vulnerabilities in cURL affect IBM Flex System FC3171 8Gb SAN Switch and SAN Pass-thru and QLogic Virtual Fabric Extension Module for IBM BladeCenter

Summary

IBM Flex System FC3171 8Gb SAN Switch and SAN Pass-thru and QLogic Virtual Fabric Extension Module for IBM BladeCenter have addressed the following vulnerabilities in cURL.

Vulnerability Details

Summary

IBM Flex System FC3171 8Gb SAN Switch and SAN Pass-thru and QLogic Virtual Fabric Extension Module for IBM BladeCenter have addressed the following vulnerabilities in cURL.

Vulnerability Details:

CVE-ID: CVE-2016-5419

Description: cURL/libcURL could allow a remote attacker to bypass security restrictions, caused by the failure to check the TLS connection server certificates. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass access restrictions.

CVSS Base Score: 5.3
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/vulnerabilities/115804&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)

CVE-ID: CVE-2016-5420

Description: cURL/libcURL could allow a remote attacker to bypass security restrictions, caused by the failure to check the TLS connection server certificates. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass access restrictions.

CVSS Base Score: 5.3
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/vulnerabilities/115805&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)

CVE-ID: CVE-2016-5421

Description: cURL/libcURL could allow a local authenticated attacker to gain elevated privileges on the system, caused by a use-after-free connection error in the libcurl multi interface. An attacker could exploit this vulnerability to gain elevated privileges.

CVSS Base Score: 5.9
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/vulnerabilities/115806&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Remediation/Fixes:

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

You should verify applying the fix does not cause any compatibility issues.

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
17 January 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.