CVE-2019-0001

HIGH

Juniper Junos OS - Denial of Service via Malformed Packet in BBE-SMGD

Title source: llm
STIX 2.1

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. Affected releases are Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S1; 16.2 versions prior to 16.2R2-S7; 17.1 versions prior to 17.1R2-S10, 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S1; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2.

References (4)

Core 4
Core References
Vendor Advisory x_refsource_confirm
https://kb.juniper.net/JSA10900
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106541

Scores

CVSS v3 7.5
EPSS 0.0063
EPSS Percentile 70.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-674
Status published
Products (6)
fedoraproject/fedora 30
fedoraproject/fedora 31
juniper/junos 16.1 (18 CPE variants)
juniper/junos 16.2 (7 CPE variants)
juniper/junos 17.1 (12 CPE variants)
juniper/junos 17.2 (11 CPE variants)
Published Jan 15, 2019
Tracked Since Feb 18, 2026