Description
An Unchecked Error Condition vulnerability in the subscriber management daemon (smgd) of Juniper Networks Junos OS allows an unauthenticated adjacent attacker to cause a crash of and thereby a Denial of Service (DoS). In a subscriber management / broadband edge environment if a single session group configuration contains dual-stack and a pp0 interface, smgd will crash and restart every time a PPPoE client sends a specific message. This issue affects Juniper Networks Junos OS on MX Series: 16.1 version 16.1R1 and later versions prior to 18.4R3-S10; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 16.1R1.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Juniper Networks Junos OS
unspecified to < 18.4R3-S10affectedunspecified to < 16.1R1unaffected16.1R1 to < 16.1*affected19.1 to < 19.1R2-S3, 19.1R3-S7affected19.2 to < 19.2R1-S8, 19.2R3-S4affected19.3 to < 19.3R3-S4affected19.4 to < 19.4R3-S5affected20.1 to < 20.1R3-S3affected20.2 to < 20.2R3-S3affected20.3 to < 20.3R3-S2affected20.4 to < 20.4R3affected21.1 to < 21.1R3affected21.2 to < 21.2R2affected