CVE-2017-2315

HIGH

Juniper Junos OS - Denial of Service via IPv6 Neighbor Discovery Packet Flood

Title source: llm
STIX 2.1

Description

On Juniper Networks EX Series Ethernet Switches running affected Junos OS versions, 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 Switch 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. The affected Junos OS versions are: 12.3 prior to 12.3R12-S4, 12.3R13; 13.3 prior to 13.3R10; 14.1 prior to 14.1R8-S3, 14.1R9; 14.1X53 prior ro 14.1X53-D12, 14.1X53-D40; 14.1X55 prior to 14.1X55-D35; 14.2 prior to 14.2R6-S4, 14.2R7-S6, 14.2R8; 15.1 prior to 15.1R5; 16.1 before 16.1R3; 16.2 before 16.2R1-S3, 16.2R2. 17.1R1 and all subsequent releases have a resolution for this vulnerability.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038253
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/97615
Mitigation, Vendor Advisory x_refsource_confirm
https://kb.juniper.net/JSA10781

Scores

CVSS v3 7.5
EPSS 0.0049
EPSS Percentile 65.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-772
Status published
Products (13)
juniper/junos 12.3 r1 (13 CPE variants)
juniper/junos 13.3 r1 (9 CPE variants)
juniper/junos 14.1 r1 (8 CPE variants)
juniper/junos 14.1x53 d10 (2 CPE variants)
juniper/junos 14.1x55 d35
juniper/junos 14.2 r1 (7 CPE variants)
juniper/junos 15.1 r1 (4 CPE variants)
juniper/junos 16.1 r1
juniper/junos 16.2 r2
juniper/junos 17.1 r1
... and 3 more
Published Apr 24, 2017
Tracked Since Feb 18, 2026