Multiple vulnerabilities exist in Juniper Junos J-Web error handling that may lead to cross site scripting (XSS) issues or crash the J-Web service (DoS). This affects Juniper Junos OS 12.1X44 before 12.1X44-D45, 12.1X46 before 12.1X46-D30, 12.1X47 before 12.1X47-D20, 12.3 before 12.3R8, 12.3X48 before 12.3X48-D10, 13.1 before 13.1R5, 13.2 before 13.2R6, 13.3 before 13.3R4, 14.1 before 14.1R3, 14.1X53 before 14.1X53-D10, 14.2 before 14.2R1, and 15.1 before 15.1R1.

Insufficient cross site scripting protection in J-Web component in Juniper Networks Junos OS may potentially allow a remote unauthenticated user to inject web script or HTML and steal sensitive data and credentials from a J-Web session and to perform administrative actions on the Junos device. Juniper SIRT is not aware of any malicious exploitation of this vulnerability. Affected releases are Juniper Networks Junos OS 11.4 prior to 11.4R13-S3; 12.1X44 prior to 12.1X44-D60; 12.1X46 prior to 12.1X46-D40; 12.1X47 prior to 12.1X47-D30; 12.3 prior to 12.3R11; 12.3X48 prior to 12.3X48-D20; 13.2X51 prior to 13.2X51-D39, 13.2X51-D40; 13.3 prior to 13.3R9; 14.1 prior to 14.1R6; 14.2 prior to 14.2R6; 15.1 prior to 15.1R3; 15.1X49 prior to 15.1X49-D20; 15.1X53 prior to 15.1X53-D57.

J-Web does not validate certain input that may lead to cross-site request forgery (CSRF) issues or cause a denial of J-Web service (DoS).

A command injection vulnerability in the IDP feature of Juniper Networks Junos OS on SRX series devices potentially allows a user with login access to the device to execute shell commands and elevate privileges. Affected releases are Juniper Networks Junos OS 12.1X44 prior to 12.1X44-D60; 12.1X46 prior to 12.1X46-D50; 12.1X47 prior to 12.1X47-D30, 12.1X47-D35; 12.3X48 prior to 12.3X48-D20, 12.3X48-D30; 15.1X49 prior to 15.1X49-D20, 15.1X49-D30.

On Juniper Networks SRX Series Services Gateways chassis clusters running Junos OS 12.1X46 prior to 12.1X46-D65, 12.3X48 prior to 12.3X48-D40, 12.3X48 prior to 12.3X48-D60, flowd daemon on the primary node of an SRX Series chassis cluster may crash and restart when attempting to synchronize a multicast session created via crafted multicast packets.

Juniper Junos OS before 13.2X51-D40, 14.x before 14.1X53-D30, and 15.x before 15.1X53-D20 on QFX5100 and QFX10002 switches do not have sufficient entropy, which makes it easier for remote attackers to defeat cryptographic encryption and authentication protection mechanisms via unspecified vectors.

Embedthis Appweb, as used in J-Web in Juniper Junos OS before 12.1X44-D60, 12.1X46 before 12.1X46-D45, 12.1X47 before 12.1X47-D30, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D20, 13.2X51 before 13.2X51-D20, 13.3 before 13.3R8, 14.1 before 14.1R6, and 14.2 before 14.2R5, allows remote attackers to cause a denial of service (J-Web crash) via unspecified vectors.

Juniper Junos OS before 12.1X44-D55, 12.1X46 before 12.1X46-D40, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D20, 13.2 before 13.2R8, 13.2X51 before 13.2X51-D40, 13.3 before 13.3R7, 14.1 before 14.1R5, 14.1X53 before 14.1X53-D18 or 14.1X53-D30, 14.1X55 before 14.1X55-D25, 14.2 before 14.2R4, 15.1 before 15.1R2, and 15.1X49 before 15.1X49-D10 allow remote attackers to cause a denial of service via a malformed IGMPv3 packet, aka a "multicast denial of service."

The SSH server in Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D10, 13.2 before 13.2R8, 13.2X51 before 13.2X51-D35, 13.3 before 13.3R6, 14.1 before 14.1R5, 14.1X53 before 14.1X53-D25, 14.2 before 14.2R3, 15.1 before 15.1R1, and 15.1X49 before 15.1X49-D20 allows remote attackers to cause a denial of service (CPU consumption) via unspecified SSH traffic.

Juniper Junos OS before 11.4R12-S4, 12.1X44 before 12.1X44-D41, 12.1X46 before 12.1X46-D26, 12.1X47 before 12.1X47-D11/D15, 12.2 before 12.2R9, 12.2X50 before 12.2X50-D70, 12.3 before 12.3R8, 12.3X48 before 12.3X48-D10, 12.3X50 before 12.3X50-D42, 13.1 before 13.1R4-S3, 13.1X49 before 13.1X49-D42, 13.1X50 before 13.1X50-D30, 13.2 before 13.2R6, 13.2X51 before 13.2X51-D26, 13.2X52 before 13.2X52-D15, 13.3 before 13.3R3-S3, 14.1 before 14.1R3, 14.2 before 14.2R1, 15.1 before 15.1R1, and 15.1X49 before 15.1X49-D10, when configured for IPv6, allow remote attackers to cause a denial of service (mbuf chain corruption and kernel panic) via crafted IPv6 packets.

Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R8, 13.3 before 13.3R7, 14.1 before 14.1R5, and 14.2 before 14.2R1 do not properly handle TCP packet reassembly, which allows remote attackers to cause a denial of service (buffer consumption) via a crafted sequence of packets "destined to the device."

The SRX Network Security Daemon (nsd) in Juniper SRX Series services gateways with Junos 12.1X44 before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, and 12.3X48 before 12.3X48-D15 allows remote DNS servers to cause a denial of service (crash) via a crafted DNS response.

IPv6 sendd in Juniper Junos 12.1X44 before 12.1X44-D51, 12.1X46 before 12.1X46-D36, 12.1X46 before 12.1X46-D40, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D20, 13.2 before 13.2R8, 13.3 before 13.3R6, 14.1 before 14.1R5, 14.2 before 14.2R3, 15.1 before 15.1R1, and 15.1X49 before 15.1X49-D20, when the "set protocols neighbor-discovery secure security-level default" option is configured, allows remote attackers to cause a denial of service (CPU consumption) via a crafted Secure Neighbor Discovery (SEND) Protocol packet.

The BFD daemon in Juniper Junos OS 12.1X44 before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R8, 13.3 before 13.3R6, 14.1 before 14.1R5, 14.1X50 before 14.1X50-D85, 14.1X55 before 14.1X55-D20, 14.2 before 14.2R3, 15.1 before 15.1R1, and 15.1X49 before 15.1X49-D10 allows remote attackers to cause a denial of service (bfdd crash and restart) or execute arbitrary code via a crafted BFD packet.

Juniper Junos OS 12.1X44 before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R9, 12.3X48 before 12.3X48-D10, 13.2 before 13.2R7, 13.3 before 13.3R5, 14.1R3 before 14.1R3-S2, 14.1 before 14.1R4, 14.2 before 14.2R2, and 15.1 before 15.1R1 allows remote attackers to cause a denial of service (NULL pointer dereference and RDP crash) via a large number of BGP-VPLS advertisements with updated BGP local preference values.

Juniper Junos OS 12.1X44 before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R9, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R7, 13.2X51 before 13.2X51-D35, 13.2X52 before 13.2X52-D25, 13.3 before 13.3R6, 14.1R3 before 14.1R3-S2, 14.1 before 14.1R4, 14.1X53 before 14.1X53-D12, 14.1X53 before 14.1X53-D16, 14.1X55 before 14.1X55-D25, 14.2 before 14.2R2, and 15.1 before 15.1R1 allows remote attackers to cause a denial of service (mbuf and connection consumption and restart) via a large number of requests that trigger a TCP connection to move to the LAST_ACK state when there is more data to send.

Cross-site scripting (XSS) vulnerability in the Dynamic VPN in Juniper Junos 12.1X44 before 12.1X44-D45, 12.1X46 before 12.1X46-D30, 12.1X47 before 12.1X47-D20, and 12.3X48 before 12.3X48-D10 on SRX series devices allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Juniper Junos 12.1X44 before 12.1X44-D45, 12.1X46 before 12.1X46-D30, 12.1X47 before 12.1X47-D20, 12.3 before 12.3R9, 12.3X48 before 12.3X48-D10, 13.2 before 13.2R6, 13.3 before 13.3R5, 14.1 before 14.1R3, and 14.2 before 14.2R1 allows local users to gain privileges via crafted combinations of CLI commands and arguments.

Juniper Junos 12.1X44 before 12.1X44-D45, 12.1X46 before 12.1X46-D30, 12.1X47 before 12.1X47-D15, and 12.3X48 before 12.3X48-D10 on SRX series devices does not properly enforce the log-out-on-disconnect feature when configured in the [system port console] stanza, which allows physically proximate attackers to reconnect to the console port and gain administrative access by leveraging access to the device.

Juniper Junos 11.4 before 11.4R13, 12.1X44 before 12.1X44-D45, 12.1X46 before 12.1X46-D30, 12.1X47 before 12.1X47-D15, 12.2 before 12.2R9, 12.3R7 before 12.3R7-S1, 12.3 before 12.3R8, 13.1 before 13.1R5, 13.2 before 13.2R6, 13.3 before 13.3R4, 14.1 before 14.1R2, and 14.2 before 14.2R1 allows remote attackers to cause a denial of service (kernel crash and restart) via a crafted fragmented OSPFv3 packet with an IPsec Authentication Header (AH).