Juniper Junos jdhcpd DHCPv6 DoS (JSA10769)

This script is Copyright (C) 2017 Tenable Network Security, Inc.

Synopsis :

The remote device is affected by a denial of service vulnerability.

Description :

According to its self-reported version number and configuration, the
remote Juniper Junos device is affected by a denial of service
vulnerability in the DHCPv6 daemon (jdhpcd) when handling DHCPv6
packets. An unauthenticated, remote attacker can exploit this issue,
by sending specially crafted DHCPv6 packets, to cause a denial of
service condition for subscribers attempting to obtain IPv6 addresses.

Note that this vulnerability only occurs in devices configured for
DHCP services via IPv6 with either Server or Relay enabled. IPv4 is
not vulnerable to this issue.

Nessus has not tested for this issue but has instead relied only on
the device's self-reported version, model, and current configuration.

See also :

Solution :

Apply the relevant Junos software release or workaround referenced in
Juniper advisory JSA10769.

Risk factor :

Medium / CVSS Base Score : 5.0

Family: Junos Local Security Checks

Nessus Plugin ID: 96659 ()

Bugtraq ID: 95396

CVE ID: CVE-2017-2301

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