Juniper Junos jdhcpd IPv6 UDP DoS (JSA10800)

high Nessus Plugin ID 102075
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Synopsis

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

Description

According to its self-reported version and model number, the remote Juniper Junos device is affected by a denial of service vulnerability in the jdhcpd daemon when handling invalid IPv6 UDP packets. An unauthenticated, remote attacker can exploit this, via specially crafted IPv6 UDP packets, to consume available CPU resources, resulting in an interruption of the DHCP service.

Solution

Upgrade to the relevant Junos software release referenced in Juniper security advisory JSA10800.

See Also

https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10800

Plugin Details

Severity: High

ID: 102075

File Name: juniper_jsa10800.nasl

Version: 1.3

Type: combined

Published: 7/31/2017

Updated: 7/12/2018

Dependencies: junos_version.nasl

Configuration: Enable paranoid mode

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/JUNOS/Version, Host/Juniper/model, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 7/12/2017

Vulnerability Publication Date: 7/12/2017

Reference Information

CVE: CVE-2017-2348

JSA: JSA10800