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Junos mbuf Leak Vulnerability
Information
Severity
Severity
Medium
Family
Family
JunOS Local Security Checks
CVSSv2 Base
CVSSv2 Base
6.1
CVSSv2 Vector
CVSSv2 Vector
AV:A/AC:L/Au:N/C:N/I:N/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
7 years ago
Modified
Modified
5 years ago
Summary
Junos OS is prone to a mbuf leak vulnerability.
Insight
Insight
A Junos device with VPLS routing-instances configured on one or more interfaces may be susceptible to an mbuf leak when source and destination MAC addresses of Ethernet frames with the EtherType field of IPv6 are flooded into the VPLS instance. The Ethernet frames must be injected directly into a connected interface, limiting exposure to directly connected adjacent networks.
Affected Software
Affected Software
Junos OS 13.3 and 14.1
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.