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Category:   Device (Router/Bridge/Hub)  >   Juniper Junos Vendors:   Juniper
Juniper Junos MPLS Buffer Memory Leak Lets Remote Users Consume Excessive Buffer Memory Resources
SecurityTracker Alert ID:  1040790
SecurityTracker URL:  https://securitytracker.com/id/1040790
CVE Reference:   CVE-2018-0022   (Links to External Site)
Date:  Apr 28 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 12.1X46, 12.3X48, 14.1, 14.1X53, 14.2, 15.1, 15.1X49, 15.1X53, 16.1, 16.2, 17.1, 17.2
Description:   A vulnerability was reported in Juniper Junos. A remote user can consume excessive buffer memory on the target system.

A remote user can send a specially crafted MPLS packet to a target device interface that has VPLS routing-instances configured on the interface to trigger an mbuf leak. When the target device mbuf buffers are exhausted, the device will become inaccessible. A restart is required to return the system to normal operations.

IPv4 traffic is affected.

The vendor has assigned PR 1272898 to this vulnerability.

Impact:   A remote user can cause the target device to become inaccessible. A restart is required to return the system to normal operations.
Solution:   The vendor has issued a fix (12.1X46-D76, 12.3X48-D66, 12.3X48-D70, 14.1R9, 14.1X53-D47, 14.2R8, 15.1F2-S19, 15.1F6-S10, 15.1R4-S9, 15.1R5-S7, 15.1R6-S4, 15.1R7, 15.1X49-D131, 15.1X49-D140, 15.1X53-D233, 15.1X53-D471, 15.1X53-D58, 15.1X53-D66, 16.1R3-S8, 16.1R4-S6, 16.1R5, 16.2R1-S6, 16.2R2-S5, 16.2R3, 17.1R1-S7, 17.1R2-S6, 17.1R3, 17.2R1-S5, 17.2R2, 17.3R1).

The vendor advisory is available at:

https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10855

Vendor URL:  kb.juniper.net/InfoCenter/index?page=content&id=JSA10855 (Links to External Site)
Cause:   Resource error

Message History:   None.


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