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HistoryJun 17, 2018 - 3:12 p.m.

Security Bulletin: Vulnerability in RC4 stream cipher affects IBM MessageSight (CVE-2015-2808)

2018-06-1715:12:15
www.ibm.com
14

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 MessageSight.

Vulnerability Details

CVEID: 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 retrieve credit card data or other sensitive information. This vulnerability is commonly referred to as “Bar Mitzvah Attack”.

CVSS Base Score: 5

CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/101851&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)

Affected Products and Versions

IBM MessageSight 1.2 and earlier

Remediation/Fixes

Product

| VRMF| APAR| Remediation/First Fix
—|—|—|—
IBM MessageSight| 1.1| IT08200| 1.1.0.1-IBM-IMA-IFIT08200
IBM MessageSight| 1.2| IT08200| 1.2.0.0-IBM-IMA-Physical-IFIT08200

1.2.0.0-IBM-IMA-VirtualEdition-IFIT08200

1.2.0.0-IBM-IMA-SoftLayerVirtual-IFIT08200

You should verify applying this fix does not cause any compatibility issues. The fix disables RC4 stream cipher by default. If you change this setting 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.

CPENameOperatorVersion
ibm messagesighteq1.1
ibm messagesighteq1.2

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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