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Junos Kernel Panic Denial of Service Vulnerability

Information

Severity

Severity

High

Family

Family

JunOS Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.1

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

9 years ago

Modified

Modified

5 years ago

Summary

Denial of Service Vulnerability through crafted IGMP packets.

Insight

Insight

Reception of a very high rate of crafted IGMP packets may cause the Junos kernel to crash. The contents of the valid IGMP packets must be specifically crafted to trigger the crash, while maintaining a transmit rate exceeding approximately 1000 packets per second. PIM must also be enabled to trigger this crash.

Affected Software

Affected Software

Junos OS 13.2 and 13.3.

Solution

Solution

New builds of Junos OS software are available from Juniper. As a workaround disable PIM if not required or if fxp0 is unused, disable the external management interface.

Common Vulnerabilities and Exposures (CVE)