Detections
Analytics

Juniper Junos LLDP Packet DoS JSA11027

medium Nessus Plugin ID 138596

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to the self-reported version of Junos OS, the remote device is affected by a denial of service (DoS) vulnerability due to its implementation of LLDP. An unauthenticated attacker can exploit this, by sending crafted LLDP packets from an adjacent device, in order to cause LLDP to crash.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Apply the relevant Junos software release referenced in Juniper advisory JSA11027

See Also

https://kb.juniper.net/JSA11027

Plugin Details

Severity: Medium

ID: 138596

File Name: juniper_jsa11027.nasl

Version: 1.8

Type: combined

Published: 7/17/2020

Updated: 7/27/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-1641

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/JUNOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 7/8/2020

Vulnerability Publication Date: 7/8/2020

Reference Information

CVE: CVE-2020-1641

IAVA: 2020-A-0320-S

JSA: JSA11027