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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.