CVE-2020-1656

CVE-2020-1656 covers an Improper Input Validation flaw in the DHCPv6 Relay-Agent portion of Juniper Junos OS (jdhcpd). The issue is triggered when a DHCPv6 client sends a specific message, enabling a potential attacker to cause Denial of Service and, in some cases, Remote Code Execution on the ta...

CVE-2020-1657 Junos OS: SRX Series: An attacker sending spoofed packets to IPSec peers may cause a Denial of Service.

On SRX Series devices, a vulnerability in the key-management-daemon kmd daemon of Juniper Networks Junos OS allows an attacker to spoof packets targeted to IPSec peers before a security association SA is established thereby causing a failure to set up the IPSec channel. Sustained receipt of these...

CVE-2020-1656 Junos OS: When a DHCPv6 Relay-Agent is configured upon receipt of a specific DHCPv6 client message, Remote Code Execution may occur.

The DHCPv6 Relay-Agent service, part of the Juniper Enhanced jdhcpd daemon shipped with Juniper Networks Junos OS has an Improper Input Validation vulnerability which will result in a Denial of Service DoS condition when a DHCPv6 client sends a specific DHPCv6 message allowing an attacker to...

CVE-2020-1657

Affected software: Juniper Junos OS on SRX Series. Vulnerable in the key-management-daemon (kmd) before established SA, allowing spoofed IPSec packets to disrupt IPSec setup and cause DoS. Affected releases include 12.3X48 (before 12.3X48-D90), 15.1X49 (before 15.1X49-D190), 17.4 (before 17.4R2-S...

CVE-2020-1684: Uncontrolled Resource Consumption

On Juniper Networks SRX Series configured with application identification inspection enabled, receipt of specific HTTP traffic can cause high CPU load utilization, which could lead to traffic interruption. Application identification is enabled by default and is automatically turned on when...

CVE-2020-1664: Stack-based Buffer Overflow

A stack buffer overflow vulnerability in the device control daemon DCD on Juniper Networks Junos OS allows a low privilege local user to create a Denial of Service DoS against the daemon or execute arbitrary code in the system with root privilege. This issue affects Juniper Networks Junos OS: 17....

CVE-2020-1677: Improper Input Validation

When SAML authentication is enabled, Juniper Networks Mist Cloud UI might incorrectly handle child elements in SAML responses, allowing a remote attacker to modify a valid SAML response without invalidating its cryptographic signature to bypass SAML authentication security controls. This issue...

PT-2020-14885

Name of the Vulnerable Software and Affected Versions Juniper Networks Mist Cloud UI versions prior to September 2 2020 Description The issue arises when SAML authentication is enabled, and the Juniper Networks Mist Cloud UI incorrectly handles child elements in SAML responses. This allows a remo...

CVE-2020-1668: Uncontrolled Resource Consumption

On Juniper Networks EX2300 Series, receipt of a stream of specific multicast packets by the layer2 interface can cause high CPU load, which could lead to traffic interruption. This issue occurs when multicast packets are received by the layer 2 interface. To check if the device has high CPU load...

PT-2020-14880

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS on EX2300 Series versions prior to 18.1R3-S11 Juniper Networks Junos OS on EX2300 Series versions prior to 18.2R3-S5 Juniper Networks Junos OS on EX2300 Series versions prior to 18.3R2-S4 Juniper Networks Junos OS on...

Vulnerability fixed in Juniper Junos OS for PTX and QFX

Juniper Networks has fixed a vulnerability in Junos OS for the PTX and QTX platforms. An unauthenticated malicious person at remote user could potentially exploit the vulnerability to cause a Denial-of-Service attack. To do this, rogue network traffic should be sent to the vulnerable device. Only...

CVE-2020-1678: Uncontrolled Resource Consumption

On Juniper Networks Junos OS and Junos OS Evolved platforms with EVPN configured, receipt of specific BGP packets causes a slow memory leak. If the memory is exhausted the rpd process might crash. If the issue occurs, the memory leak could be seen by executing the "show task memory detail | match...

CVE-2020-1675: Improper Check for Certificate Revocation

When Security Assertion Markup Language SAML authentication is enabled, Juniper Networks Mist Cloud UI might incorrectly process invalid authentication certificates which could allow a malicious network-based user to access unauthorized data. This issue affects all Juniper Networks Mist Cloud UI...

CVE-2020-1676: Improper Input Validation

When SAML authentication is enabled, Juniper Networks Mist Cloud UI might incorrectly handle SAML responses, allowing a remote attacker to modify a valid SAML response without invalidating its cryptographic signature to bypass SAML authentication security controls. This issue affects all Juniper...

CVE-2020-1662: Improper Input Validation

On Juniper Networks Junos OS and Junos OS Evolved devices, BGP session flapping can lead to a routing process daemon RPD crash and restart, limiting the attack surface to configured BGP peers. This issue only affects devices with BGP damping in combination with accepted-prefix-limit configuration...

CVE-2020-1689: Uncontrolled Resource Consumption

On Juniper Networks EX4300-MP Series, EX4600 Series and QFX5K Series deployed in a Virtual Chassis configuration, receipt of a stream of specific layer 2 frames can cause high CPU load, which could lead to traffic interruption. This issue does not occur when the device is deployed in Stand Alone...

CVE-2020-1685: Observable Discrepancy

When configuring stateless firewall filters in Juniper Networks EX4600 and QFX 5000 Series devices using Virtual Extensible LAN protocol VXLAN, the discard action will fail to discard traffic under certain conditions. Given a firewall filter configuration similar to: family ethernet-switching...

CVE-2020-1686: Double Free

On Juniper Networks Junos OS devices, receipt of a malformed IPv6 packet may cause the system to crash and restart vmcore. This issue can be trigged by a malformed IPv6 packet destined to the Routing Engine. An attacker can repeatedly send the offending packet resulting in an extended Denial of...

CVE-2020-1680: Incorrect Calculation of Buffer Size

On Juniper Networks MX Series with MS-MIC or MS-MPC card configured with NAT64 configuration, receipt of a malformed IPv6 packet may crash the MS-PIC component on MS-MIC or MS-MPC. This issue occurs when a multiservice card is translating the malformed IPv6 packet to IPv4 packet. An unauthenticat...

PT-2020-14883

Name of the Vulnerable Software and Affected Versions Juniper Networks Mist Cloud UI versions prior to September 2 2020 Description The issue occurs when Security Assertion Markup Language SAML authentication is enabled, allowing a malicious network-based user to access unauthorized data due to...