CVE-2019-0040 Junos OS: Specially crafted packets sent to port 111 on any interface triggers responses from the management interface

On Junos OS, rpcbind should only be listening to port 111 on the internal routing instance IRI. External packets destined to port 111 should be dropped. Due to an information leak vulnerability, responses were being generated from the source address of the management interface e.g. fxp0 thus...

CVE-2019-0044 Junos OS: SRX5000 series: Kernel crash (vmcore) upon receipt of a specific packet on fxp0 interface

Receipt of a specific packet on the out-of-band management interface fxp0 may cause the system to crash and restart vmcore. By continuously sending a specially crafted packet to the fxp0 interface, an attacker can repetitively crash the rpd process causing prolonged Denial of Service DoS. Affecte...

CVE-2019-0034

CVE-2019-0034 is rejected/not used; the entry was withdrawn and does not represent a vulnerability.

CVE-2019-0033

CVE-2019-0033: A firewall bypass vulnerability in the proxy ARP service of Juniper Networks Junos OS can cause a high CPU condition leading to a Denial of Service (DoS). Affected products: Junos OS releases across multiple lines (e.g., 12.1X46 family with builds D25–D71, 12.1X46-D73 on SRX Series...

CVE-2019-0039

CVE-2019-0039 affects Junos OS where REST API is enabled, enabling brute-force login attempts due to a high default connection limit. Publicly documented details list affected Junos OS versions (e.g., 14.1X53 before 14.1X53-D49; 15.1 family before various 15.x builds; up to 18.3R1-S1), with remed...

CVE-2019-0033 SRX Series: A remote attacker may cause a high CPU Denial of Service to the device when proxy ARP is configured.

A firewall bypass vulnerability in the proxy ARP service of Juniper Networks Junos OS allows an attacker to cause a high CPU condition leading to a Denial of Service DoS. This issue affects only IPv4. Affected releases are Juniper Networks Junos OS: 12.1X46 versions above and including 12.1X46-D2...

CVE-2019-0039 Junos OS: Login credentials are vulnerable to brute force attacks through the REST API

If REST API is enabled, the Junos OS login credentials are vulnerable to brute force attacks. The high default connection limit of the REST API may allow an attacker to brute-force passwords using advanced scripting techniques. Additionally, administrators who do not enforce a strong password...

CVE-2019-0037

CVE-2019-0037 describes a denial-of-service in the Juniper Junos jdhcpd daemon. A crafted DHCPv6 solicit message can cause the jdhcpd process to crash and restart, leading to sustained DoS for both IPv4 and IPv6 clients. Affected Junos OS releases are numerous, spanning 15.1 (before 15.1F6-S12, 1...

CVE-2019-0038

The CVE-2019-0038 entry concerns Juniper SRX340/SRX345 devices running Junos OS. Affected component: management interface (fxp0). Root cause: crafted packets destined to fxp0 can exhaust buffer space, causing a denial of service (DoS) and service unresponsiveness. Impact is DoS affecting only SRX...

CVE-2019-0028

The CVE-2019-0028 entry affects Junos OS where BGP graceful restart (helper mode or mechanism) is enabled. A remote peer with graceful restart enabled can trigger a crafted BGP session restart that crashes the local Routing Protocol Daemon (RPD), crashing and restarting it and enabling a prolonge...

CVE-2019-0035 Junos OS: 'set system ports console insecure' allows root password recovery on OAM volumes

When "set system ports console insecure" is enabled, root login is disallowed for Junos OS as expected. However, the root password can be changed using "set system root-authentication plain-text-password" on systems booted from an OAM Operations, Administration, and Maintenance volume, leading to...

CVE-2019-0019

CVE-2019-0019 describes a DoS vulnerability in Juniper Junos OS where enabling BGP tracing may cause the routing protocol daemon (rpd) to crash and restart on receipt of certain BGP messages. Repeated crashes can extend the DoS condition. Affected Junos OS releases include 16.1 (before 16.1R7-S4,...

CVE-2019-0019 BGP packets can trigger rpd crash when BGP tracing is enabled.

When BGP tracing is enabled an incoming BGP message may cause the Junos OS routing protocol daemon rpd process to crash and restart. While rpd restarts after a crash, repeated crashes can result in an extended DoS condition. Affected releases are Juniper Networks Junos OS: 16.1 versions prior to...

CVE-2019-0043

CVE-2019-0043 describes a denial-of-service vulnerability in Junos OS where receipt of a specially crafted SNMP packet can cause the RPD process to crash and restart, leading to prolonged DoS. Affected Juniper releases span multiple lines of Junos OS across SRX, EX/QFX, NFX, ACX, and other series...

CVE-2019-0031

The CVE-2019-0031 issue affects Juniper Networks Junos OS, specifically the jdhcpd daemon used to respond to IPv6 requests. A crafted sequence of IPv6 DHCP packets can trigger memory resource consumption in jdhcpd, leading to a Denial of Service where subsequent IPv4/IPv6 requests may be affected...

CVE-2019-0036 Junos OS: Firewall filter terms named "internal-1" and "internal-2" being ignored

When configuring a stateless firewall filter in Junos OS, terms named using the format "internal-n" e.g. "internal-1", "internal-2", etc. are silently ignored. No warning is issued during configuration, and the config is committed without error, but the filter criteria will match all packets...

CVE-2019-0041

CVE-2019-0041 affects Juniper Networks Junos OS on the EX4300-MP Series. With any lo0 filters applied, transit network traffic could reach the control plane via the loopback interface (lo0) and the device may fail to forward such traffic. Affected software: Junos OS 18.2 prior to 18.2R1-S2 and 18...

CVE-2019-0043 Junos OS: RPD process crashes upon receipt of a specific SNMP packet

In MPLS environments, receipt of a specific SNMP packet may cause the routing protocol daemon RPD process to crash and restart. By continuously sending a specially crafted SNMP packet, an attacker can repetitively crash the RPD process causing prolonged denial of service. No other Juniper Network...

CVE-2019-0035

CVE-2019-0035 describes an administrative bypass on Juniper Networks Junos OS. When the insecure console port setting is enabled, an attacker with physical access can change the root password on systems booted from an OAM volume using the command set system root-authentication plain-text-password...

CVE-2019-0008 QFX5000 Series, EX4300, EX4600: A stack buffer overflow vulnerability in Packet Forwarding Engine manager (FXPC) process

A certain sequence of valid BGP or IPv6 BFD packets may trigger a stack based buffer overflow in the Junos OS Packet Forwarding Engine manager FXPC process on QFX5000 series, EX4300, EX4600 devices. This issue can result in a crash of the fxpc daemon or may potentially lead to remote code...