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Juniper Junos MX Malformed Packet - DOS (JSA10900)

high Nessus Plugin ID 121642

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Synopsis

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

Description

Receipt of a malformed packet on MX Series devices with dynamic vlan configuration can trigger an uncontrolled recursion loop in the Broadband Edge subscriber management daemon (bbe-smgd), and lead to high CPU usage and a crash of the bbe-smgd service. Repeated receipt of the same packet can result in an extended denial of service condition for the device.

Solution

Apply the relevant Junos software release referenced in Juniper advisory JSA10900

See Also

http://www.nessus.org/u?98ac83b1

Plugin Details

Severity: High

ID: 121642

File Name: juniper_jsa10900.nasl

Version: 1.7

Type: combined

Published: 2/7/2019

Updated: 7/20/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2019-0001

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

Vulnerability Information

CPE: cpe:/o:juniper:junos

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/9/2019

Vulnerability Publication Date: 1/9/2019

Reference Information

CVE: CVE-2019-0001

BID: 106541

JSA: JSA10900