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HistoryJan 31, 2019 - 2:10 a.m.

Security Bulletin: Vulnerability in RC4 stream cipher affects IBM Flex System Chassis Management Module (CVE-2015-2808)

2019-01-3102:10:01
www.ibm.com

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

Summary

The RC4 “Bar Mitzvah” Attack for SSL/TLS affects IBM Flex System Chassis Management Module.

Vulnerability Details

Summary

The RC4 “Bar Mitzvah” Attack for SSL/TLS affects IBM Flex System Chassis Management Module.

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&gt; for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)

Affected Products and Versions

Product Affected Version
IBM Flex System Chassis Management Module (CMM) 2PET12U - 2.5.3

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.

Product Fixed Version
IBM Flex System Chassis Management Module (CMM) 2PET12W - 2.5.4

Workarounds and Mitigations:

None.

References:

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

Acknowledgement

None.

Change History
23 November 2015: 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

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.

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

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