CVE-2017-2315

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.49%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS on EX series Ethernet Switches with IPv6 enabled
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1038253 vdb entry
http://www.securityfocus.com/bid/97615 third party advisory vdb entry
https://kb.juniper.net/JSA10781 mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-2315?
CVE-2017-2315 has been scored as a high severity vulnerability.
How to fix CVE-2017-2315?
To fix CVE-2017-2315, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-2315 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-2315 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-2315?
CVE-2017-2315 affects Juniper Networks Junos OS on EX series Ethernet Switches with IPv6 enabled.
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