CVE-2017-2301

Description

On Juniper Networks products or platforms running Junos OS 11.4 prior to 11.4R13-S3, 12.1X46 prior to 12.1X46-D60, 12.3 prior to 12.3R12-S2 or 12.3R13, 12.3X48 prior to 12.3X48-D40, 13.2X51 prior to 13.2X51-D40, 13.3 prior to 13.3R10, 14.1 prior to 14.1R8, 14.1X53 prior to 14.1X53-D12 or 14.1X53-D35, 14.1X55 prior to 14.1X55-D35, 14.2 prior to 14.2R7, 15.1 prior to 15.1F6 or 15.1R3, 15.1X49 prior to 15.1X49-D60, 15.1X53 prior to 15.1X53-D30 and DHCPv6 enabled, when a crafted DHCPv6 packet is received from a subscriber, jdhcpd daemon crashes and restarts. Repeated crashes of the jdhcpd process may constitute an extended denial of service condition for subscribers attempting to obtain IPv6 addresses.

7.5

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 1.49% Top 20%

Vendor Advisory juniper.net

Affected: Juniper Networks Junos OS with DHCPv6 enabled

References

Link	Tags
http://www.securityfocus.com/bid/95396	third party advisory vdb entry
http://www.securitytracker.com/id/1037596	third party advisory vdb entry
https://kb.juniper.net/JSA10769	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-2301?: CVE-2017-2301 has been scored as a high severity vulnerability.
How to fix CVE-2017-2301?: To fix CVE-2017-2301, 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-2017-2301 being actively exploited in the wild?: It is possible that CVE-2017-2301 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-2301?: CVE-2017-2301 affects Juniper Networks Junos OS with DHCPv6 enabled.

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