IBM Support

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

Security Bulletin


Summary

The RC4 Bar Mitzvah Attack for SSL/TLS affects IBM QRadar SIEM.

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: Seehttps://exchange.xforce.ibmcloud.com/vulnerabilities/101851for 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

  • QRadar SIEM 7.2.4 Patch 4 iFix01 and earlier
  • QRadar SIEM 7.1 MR2 Patch 10 iFix01 and earlier

Remediation/Fixes


ProductVRMFRemediation/First Fix
QRadar SIEM7.2.4QRadar SIEM 7.2.4 Patch 5 iFix01
QRadar SIEM7.1 MR2 QRadar SIEM 7.1 MR2 Patch 10 iFix02


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.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

April 29, 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.

[{"Product":{"code":"SSBQAC","label":"IBM Security QRadar SIEM"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Component":"Not Applicable","Platform":[{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"}],"Version":"7.1;7.2","Edition":"","Line of Business":{"code":"LOB24","label":"Security Software"}}]

Document Information

Modified date:
16 June 2018

UID

swg21883359