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Junos Insufficient Entropy Vulnerability
Information
Severity
Severity
Medium
Family
Family
JunOS Local Security Checks
CVSSv2 Base
CVSSv2 Base
6.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:S/C:C/I:N/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
8 years ago
Modified
Modified
5 years ago
Summary
Junos OS on QFX3500 and QFX3600 platforms is prone to a insufficient entropy vulnerability.
Insight
Insight
On the QFX3500 and QFX3600 platforms, the number of bytes collected from the RANDOM_INTERRUPT entropy source when the device boots up is insufficient. Entropy increases after the system has been up and running for some time, but immediately after boot, the entropy is very low.
Affected Software
Affected Software
Junos OS 12.2X50, 13.1X50, 13.2X51 and 13.2X52
Detection Method
Detection Method
Checks if a vulnerable OS build is present on the target host.
Solution
Solution
New builds of Junos OS software are available from Juniper.