Security Bulletin
Summary
Multiple security vulnerabilities have been identified in cURL/libcURL that is embedded in IBM FSM. This bulletin addresses these issues.
Vulnerability Details
CVEID: 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 https://exchange.xforce.ibmcloud.com/vulnerabilities/115804 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)
CVEID: 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 https://exchange.xforce.ibmcloud.com/vulnerabilities/115805 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)
CVEID: CVE-2016-7141
DESCRIPTION: cURL/libcURL client certificates could allow a remote attacker to bypass security restrictions, caused by an implementation error of the NSS backend in libcurl. An attacker could exploit this vulnerability to incorrectly re-use client certificates from file on a subsequent TLS connection if no certificate is set for the subsequent connection.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/117044 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
Flex System Manager 1.3.4.0
Flex System Manager 1.3.3.0
Flex System Manager 1.3.2.1
Flex System Manager 1.3.2.0
Remediation/Fixes
IBM recommends updating the FSM using the instructions referenced in this table.
|
| APAR |
|
| Flex System Manager |
| IT18327 | Install fsmfix1.3.4.0_IT13720_IT13721_IT13722_IT18327_IT18400 |
| Flex System Manager |
| IT18327 | Install fsmfix1.3.3.0_IT13720_IT13721_IT13722_IT18327_IT18400 |
| Flex System Manager |
1.3.2.0 | IT18327 | Install fsmfix1.3.2.0_IT13720_IT13721_IT13722_IT18327_IT18400 |
For all VRMF not listed in this table, IBM recommends upgrading to a fixed and supported version/release of the product.
For a complete list of FSM security bulletins refer to this technote: http://www-01.ibm.com/support/docview.wss?uid=nas7797054ebc3d9857486258027006ce4a0&myns=purflex&mync=E&cm_sp=purflex-_-NULL-_-E
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
9 February 2017: Original version 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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Internal Use Only
Adv 6836, PSIRT 85490
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Document Information
Modified date:
17 June 2018
UID
isg3T1024808