CVE-2019-0001

Junos OS: MX Series: uncontrolled recursion and crash in Broadband Edge subscriber management daemon (bbe-smgd).

State: Published
Severity: 7.5 High
Published: Jan 15, 2019
Updated: Sep 17, 2024
Reserved: Oct 11, 2018

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.

Scores

CVSS	Score	Vector	Source
3.0	7.5 High	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	juniper

Weaknesses

CWE-674 Uncontrolled Recursion

Affected Products

Product	Versions
Junos OSJuniper Networks	16.1 to before 16.1R7-S1Affected 16.2 to before 16.2R2-S7Affected 17.1 to before 17.1R2-S10, 17.1R3Affected 17.2 to before 17.2R3Affected 17.3 to before 17.3R3-S1Affected 17.4 to before 17.4R2Affected 18.1 to before 18.1R3Affected 18.2 to before 18.2R2Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.