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Junos PFE DoS Vulnerabilities

Information

Severity

Severity

Medium

Family

Family

JunOS Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

5 years ago

Summary

Junos OS is prone to a denial of service vulnerability while handling IPv6 ND advertisements.

Insight

Insight

A vulnerability in processing IPv6 ND packets originating from subscribers and destined to M/MX series routers configured with Enhanced Subscriber Management for DHCPv6 subscribers can result in a PFE (Packet Forwarding Engine) hang or crash. This issue does not affect devices with only IPv4 configured.

Affected Software

Affected Software

Junos OS 15.1 and 16.1

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.

Common Vulnerabilities and Exposures (CVE)