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2016-04 Security Bulletin: QFX Series: Insufficient entropy on QFX systems (CVE-2016-1273)

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Article ID: JSA10746 SECURITY_ADVISORIES Last Updated: 13 Apr 2016Version: 1.0
Product Affected:
QFX5100, QFX10002
Problem:

QFX series devices may have insufficient entropy. This can affect system mechanisms that depend on high-quality random numbers such as encryption and authentication.

This issue was found during internal product security testing.

Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

This issue has been assigned CVE-2016-1273.

Solution:
The following software releases have been updated to resolve this specific issue: Junos OS 13.2X51-D40, 14.1X53-D30, 15.1X53-D20 and all subsequent releases.

This issue is being tracked as PR 1075067 and is visible on the Customer Support website.
Workaround:
There are no known workarounds for this issue.
Implementation:
Security vulnerabilities in Junos are fixed in the next available Maintenance Release of each supported Junos version. In some cases, a Maintenance Release is not planned to be available in an appropriate time-frame. For these cases, Service Releases are made available in order to be more timely. Security Advisory and Security Notices will indicate which Maintenance and Service Releases contain fixes for the issues described. Upon request to JTAC, customers will be provided download instructions for a Service Release. Although Juniper does not provide formal Release Note documentation for a Service Release, a list of "PRs fixed" can be provided on request.

Modification History:
Modification History:

2016-04-13: Initial publication

CVSS Score:
7.4 (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
Severity Level:
High
Acknowledgements:
 

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