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Security Bulletin: Vulnerability in RC4 stream cipher affects Tivoli Netcool/OMNIbus (CVE-2015-2808)

Security Bulletin


Summary

The RC4 “Bar Mitzvah” Attack for SSL/TLS affects Tivoli Netcool/OMNIbus

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 obtain 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 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

Tivoli Netcool/OMNIbus 7.3.0
Tivoli Netcool/OMNIbus 7.3.1
Tivoli Netcool/OMNIbus 7.4.0
Tivoli Netcool/OMNIbus 8.1.0

Remediation/Fixes

Product

VRMFAPARRemediation/First Fix
OMNIbus 7.3.0.16IIV73107, IV73123, IV74026http://www-01.ibm.com/support/docview.wss?uid=swg24039351
OMNIbus7.3.1.13IV73107, IV73123, IV74026http://www-01.ibm.com/support/docview.wss?uid=swg24039350
OMNIbus7.4.0.7IV73107, IV73123, IV74026http://www-01.ibm.com/support/docview.wss?uid=swg24039348
OMNIbus 8.1.0.4IV73107, IV73123, IV74026http://www-01.ibm.com/support/docview.wss?uid=swg24039347

Workarounds and Mitigations

Configure the OMNIbus server components to use FIPS mode as that will disable RC4 by default. FIPS mode configuration is described here: http://www-01.ibm.com/support/knowledgecenter/SSSHTQ_8.1.0/com.ibm.netcool_OMNIbus.doc_8.1.0/omnibus/wip/install/concept/omn_con_fips_configuringsupport.html?lang=en

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

31 July 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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
17 June 2018

UID

swg21960015

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