CVE-2019-0001

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductJuniper Junos
PublishedJan 15, 2019
First seenJan 15, 2019
Weakness typeCWE-674CWE-674

How to fix

Affected products

ProductAffected versionsFixed in
juniper junos16.1, 16.2, 17.1, 17.2, 17.3, 17.4, 18.2—
fedoraproject fedora30, 31—

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