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Junos EX Series 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

6 years ago

Modified

Modified

5 years ago

Summary

Junos OS on EX series is prone to a denial of service vulnerability in IPv6 processing.

Insight

Insight

A vulnerability in IPv6 processing has been discovered that may allow a specially crafted IPv6 Neighbor Discovery (ND) packet destined to an EX Series Ethernet Switches to cause a slow memory leak. A malicious network-based packet flood of these crafted IPv6 NDP packets may eventually lead to resource exhaustion and a denial of service.

Affected Software

Affected Software

Junos OS 12.3, 13.3, 14.1, 14.2, 15.1, 16.1 and 16.2

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.

Common Vulnerabilities and Exposures (CVE)