Juniper Junos OS before 13.2X51-D36, 14.1X53 before 14.1X53-D25, and 15.2 before 15.2R1 on EX4300 series switches allow remote attackers to cause a denial of service (network loop and bandwidth consumption) via unspecified vectors related to Spanning Tree Protocol (STP) traffic.
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 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, 13.3 before 13.3R6, 14.1 before 14.1R5, 14.1X50 before 14.1X50-D105, 14.1X51 before 14.1X51-D70, 14.1X53 before 14.1X53-D25, 14.1X55 before 14.1X55-D20, 14.2 before 14.2R1, 15.1 before 15.1F2 or 15.1R1, and 15.1X49 before 15.1X49-D10 does not require a password for the root user when pam.conf is "corrupted," which allows local users to gain root privileges by modifying the file.
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.
The Juniper EX4600, QFX3500, QFX3600, and QFX5100 switches with Junos 13.2X51-D15 through 13.2X51-D25, 13.2X51 before 13.2X51-D30, and 14.1X53 before 14.1X53-D10 allows remote attackers to cause a denial of service (CPU consumption) via unspecified vectors.
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.
J-Web in Juniper Junos 11.4 before 11.4R12, 12.1X44 before 12.1X44-D35, 12.1X46 before 12.1X46-D25, 12.1X47 before 12.1X47-D10, 12.3X48 before 12.3X48-D10, 12.2 before 12.2R9, 12.3 before 12.3R7, 13.2 before 13.2R6, 13.2X51 before 13.2X51-D20, 13.3 before 13.3R5, 14.1 before 14.1R3, 14.1X53 before 14.1X53-D10, and 14.2 before 14.2R1 allows remote attackers to conduct clickjacking attacks via an X-Frame-Options header.
Juniper Junos 11.4 before R12-S4, 12.1X44 before D35, 12.1X45 before D30, 12.1X46 before D25, 12.1X47 before D10, 12.2 before R9, 12.2X50 before D70, 12.3 before R7, 13.1 before R4 before S3, 13.1X49 before D55, 13.1X50 before D30, 13.2 before R5, 13.2X50 before D20, 13.2X51 before D26 and D30, 13.2X52 before D15, 13.3 before R3, and 14.1 before R1 allows remote attackers to cause a denial of service (router protocol daemon crash) via a crafted RSVP PATH message.