Junos OS: Denial of Service in J-Web

A Denial of Service vulnerability in J-Web service may allow a remote unauthenticated user to cause Denial of Service which may prevent other users to authenticate or to perform J-Web operations. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D77 on SRX Series;...

MX Series: In BBE configurations, receipt of a crafted IPv6 exception packet causes a Denial of Service

Receipt of a specially crafted IPv6 exception packet may be able to trigger a kernel crash vmcore, causing the device to reboot. The issue is specific to the processing of Broadband Edge BBE client route processing on MX Series subscriber management platforms, introduced by the Tomcat Next...

Junos OS: Denial of Service vulnerability in MS-PIC, MS-MIC, MS-MPC, MS-DPC and SRX flow daemon (flowd) related to SIP ALG

A Denial of Service vulnerability in the SIP application layer gateway ALG component of Junos OS based platforms allows an attacker to crash MS-PIC, MS-MIC, MS-MPC, MS-DPC or SRX flow daemon flowd process. This issue affects Junos OS devices with NAT or stateful firewall configuration in...

Junos OS: Unauthenticated remote root access possible when RSH service is enabled

If RSH service is enabled on Junos OS and if the PAM authentication is disabled, a remote unauthenticated attacker can obtain root access to the device. RSH service is disabled by default on Junos. There is no documented CLI command to enable this service. However, an undocumented CLI command...

Junos OS: Denial of service in telnetd

A denial of service vulnerability in the telnetd service on Junos OS allows remote unauthenticated users to cause high CPU usage which may affect system performance. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D81 on SRX Series; 12.3 versions prior to...

Junos OS: Receipt of malformed RSVP packet may lead to RPD denial of service

Receipt of a crafted or malformed RSVP PATH message may cause the routing protocol daemon RPD to hang or crash. When RPD is unavailable, routing updates cannot be processed which can lead to an extended network outage. If RSVP is not enabled on an interface, then the issue cannot be triggered via...

CVE-2018-0026

After Junos OS device reboot or upgrade, the stateless firewall filter configuration may not take effect. This issue can be verified by running the command: user@re0 show interfaces extensive | match filters" CAM destination filters: 0, CAM source filters: 0 Note: when the issue occurs, it does n...

CVE-2018-0024

An Improper Privilege Management vulnerability in a shell session of Juniper Networks Junos OS allows an authenticated unprivileged attacker to gain full control of the system. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D45 on SRX Series; 12.3X48 versions...

CVE-2018-0037

Junos OS routing protocol daemon RPD process may crash and restart or may lead to remote code execution while processing specific BGP NOTIFICATION messages. By continuously sending crafted BGP NOTIFICATION messages, an attacker can repeatedly crash the RPD process causing a sustained Denial of...

CVE-2018-0034

A Denial of Service vulnerability exists in the Juniper Networks Junos OS JDHCPD daemon which allows an attacker to core the JDHCPD daemon by sending a crafted IPv6 packet to the system. This issue is limited to systems which receives IPv6 DHCP packets on a system configured for DHCP processing...

CVE-2018-0029

While experiencing a broadcast storm, placing the fxp0 interface into promiscuous mode via the 'monitor traffic interface fxp0' can cause the system to crash and restart vmcore. This issue only affects Junos OS 15.1 and later releases, and affects both single core and multi-core REs. Releases pri...

Junos OS: Receipt of specially crafted UDP packets over MPLS may bypass stateless IP firewall rules

Receipt of specially crafted UDP/IP packets over MPLS may be able to bypass a stateless firewall filter. The crafted UDP packets must be encapsulated and meet a very specific packet format to be classified in a way that bypasses IP firewall filter rules. The packets themselves do not cause a...

Junos OS: MPC7/8/9, PTX-FPC3 (FPC-P1, FPC-P2) and PTX1K: Line card may crash upon receipt of specific MPLS packet.

Receipt of a specific MPLS packet may cause MPC7/8/9, PTX-FPC3 FPC-P1, FPC-P2 line cards or PTX1K to crash and restart. By continuously sending specific MPLS packets, an attacker can repeatedly crash the line cards or PTX1K causing a sustained Denial of Service. Affected releases are Juniper...

The vulnerability of the Junos operating system, related to uncontrolled resource consumption, allows a perpetrator to trigger a service failure.

The vulnerability of the Junos operating system is related to an uncontrolled consumption of resources when processing certain MPLS Multiprotocol Label Switching packets. Exploiting this vulnerability allows a malicious actor to cause service failures by using specially crafted MPLS packets...

The vulnerability of the Junos operating system, related to packet processing errors in CLNP, allows a attacker to execute arbitrary code or trigger a kernel error.

The vulnerability of the Junos operating system is related to errors in packet processing within the CLNP protocol. Exploiting this vulnerability allows a malicious actor to execute arbitrary code or trigger a kernel error by using specially crafted CLNP packets...

The vulnerability of the J-Web web interface of the Junos operating system, allowing a hacker to execute arbitrary code

The vulnerability of the J-Web web interface of the Junos operating system is related to the use of memory after it is freed. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of the Junos operating system, related to uncontrolled resource consumption, allows a perpetrator to trigger a service failure.

The vulnerability of the Junos operating system is related to an uncontrolled consumption of resources. Exploiting this vulnerability can allow a malicious actor, operating remotely, to cause service interruptions...

Junos OS: Mbuf leak due to processing MPLS packets in VPLS network.

A Junos device with VPLS routing-instances configured on one or more interfaces may be susceptible to an mbuf leak when processing a specific MPLS packet. Approximately 1 mbuf is leaked per each packet processed. The number of mbufs is platform dependent. The following command provides the number...

CVE-2018-0017

A vulnerability in the Network Address Translation - Protocol Translation NAT-PT feature of Junos OS on SRX series devices may allow a certain valid IPv6 packet to crash the flowd daemon. Repeated crashes of the flowd daemon can result in an extended denial of service condition for the SRX device...

Junos OS: Short MacSec keys may allow man-in-the-middle attacks.

If all 64 digits of the connectivity association name CKN key or all 32 digits of the connectivity association key CAK key are not configured, all remaining digits will be auto-configured to 0. Hence, Juniper devices configured with short MacSec keys are at risk to an increased likelihood that an...