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Junos QFX Series: PFE DoS Vulnerability

Information

Severity

Severity

High

Family

Family

JunOS Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

7 years ago

Modified

Modified

5 years ago

Summary

Junos OS on QFX series is prone to denial of service vulnerability in PFE

Insight

Insight

A vulnerability in handling high rate of certain VXLAN packets may result in a PFE panic causing a denial of service condition. This issue can occur only when ping or traceroute command with overlay option is being run on the device. This issue only affects the QFX series devices with Junos 14.1X53 prior to 14.1X53-D30. QFX 10k series devices are not affected.

Affected Software

Affected Software

Junos OS 14.1

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. As a workaround disable VXLAN or block VXLAN packets.

Common Vulnerabilities and Exposures (CVE)