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Junos Kernel Crash With Crafted ICMP Packet Vulnerability
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Junos OS is prone to a kernel crash vulnerability.
Insight
Insight
On Junos devices with a GRE or IPIP tunnel configured (i.e., devices with a gr- or ip- interface), a specifically crafted ICMP packet can cause a kernel panic resulting in a denial of service condition. Knowledge of network specific information is required to craft such an ICMP packet. Receipt of such a packet on any interface on the device can cause a crash. Devices that do not have any gr- or ip- interfaces are unaffected by this issue.
Affected Software
Affected Software
Junos OS 12.1, 12.3, 13.3, 14.1, 14.2 and 15.1
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.