5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
The RC4 Bar Mitzvah Attack for SSL/TLS affects IBM Flex System Manager (FSM).
The RC4 Bar Mitzvah Attack for SSL/TLS affects IBM Flex System Manager (FSM).
Vulnerability Details:
CVE-ID: CVE-2015-2808
Description: The RC4 algorithm, as used in the TLS protocol and SSL protocol, could allow a remote attacker to obtain sensitive information. An attacker could exploit this vulnerability to remotely expose account credentials without requiring an active man-in-the-middle session. Successful exploitation could allow an attacker to obtain sensitive information. This vulnerability is commonly referred to as “Bar Mitzvah Attack.”
CVSS Base Score: 5
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/vulnerabilities/101851> for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Product | VRMF | APAR | SMIA Remediation |
---|---|---|---|
Flex System Manager | 1.3.4.x | IT09493 | Navigate to the Support Portal and search for technote 761981453 for instructions on installing updates for the FSM and Agents. |
Flex System Manager | 1.3.3.x | IT09493 | Verify that IT05161 (POODLE) remediation has been completed, then install fsmfix1.3.3.0_IT09493. |
Instructions for verifying installation of IT05161 can be found here. | |||
Flex System Manager | 1.3.2.x | IT09493 | Verify that IT05161 (POODLE) remediation has been completed, then install fsmfix1.3.2.0_IT09493. |
Instructions for verifying installation of IT05161 can be found here. | |||
Flex System Manager | 1.3.1.x | IT09493 | IBM is no longer providing code updates for this release. Upgrade to FSM 1.3.4.0 and follow the appropriate remediation for all vulnerabilities. |
Flex System Manager | 1.3.0.x | IT09493 | IBM is no longer providing code updates for this release. Upgrade to FSM 1.3.4.0 and follow the appropriate remediation for all vulnerabilities. |
Flex System Manager | 1.2.x.x | IT09493 | IBM is no longer providing code updates for this release. Upgrade to FSM 1.3.4.0 and follow the appropriate remediation for all vulnerabilities. |
Flex System Manager | 1.1.x.x | IT09493 | Effective April 30, 2015, IBM has discontinued service for these version/release/modification/fix levels. |
You should verify applying this fix does not cause any compatibility issues. The fix disables RC4 stream cipher by default. If you change the default setting after applying the fix, you will expose yourself to the attack described above. IBM recommends that you review your entire environment to identify other areas where you have enabled the RC4 stream cipher and take appropriate mitigation and remediation actions.
None
Related Information:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Acknowledgement
None
Change History
30 September 2015: Original Version Published
02 December 2015: Added Remediations for 1.3.4
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.