CVE-2023-36839 Junos OS and Junos OS Evolved: An l2cpd crash will occur when specific LLDP packets are received

An Improper Validation of Specified Quantity in Input vulnerability in the Layer-2 control protocols daemon l2cpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker who sends specific LLDP packets to cause a Denial of ServiceDoS. This issue occurs when...

CVE-2023-36839

The CVE-2023-36839 issue affects Juniper Networks Junos OS and Junos OS Evolved. Affected component: Layer-2 control protocols daemon (l2cpd). Root cause: Improper validation of specified quantity in input, triggered by specific LLDP packets from an unauthenticated adjacent attacker, leading to a...

Juniper Networks Junos OS Evolved Code Issue Vulnerability

Juniper Networks Junos OS Evolved is an upgraded version of Juniper Networks' Junos OS. A code issue vulnerability exists in Juniper Networks Junos OS Evolved, which arises from an exception or anomaly in the packet forwarding engine pfe that is improperly checked could cause an unauthenticated,...

Juniper Networks Junos OS and Junos OS Evolved Buffer Error Vulnerability

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved are both products of Juniper Networks, Inc.Juniper Networks Junos OS is a network operating system designed for use with the company's hardware devices. The operating system provides a secure programming interface and the Junos SDK...

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved Input Validation Error Vulnerability

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved are both products of Juniper Networks, Inc.Juniper Networks Junos OS is a network operating system designed for use with the company's hardware devices. The operating system provides a secure programming interface and the Junos SDK...

Juniper Networks Junos OS Input Validation Error Vulnerability

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved are both products of Juniper Networks, Inc.Juniper Networks Junos OS is a network operating system designed for use with the company's hardware devices. The operating system provides a secure programming interface and the Junos SDK...

CVE-2023-44190

An Origin Validation vulnerability in MAC address validation of Juniper Networks Junos OS Evolved on PTX10001, PTX10004, PTX10008, and PTX10016 devices allows a network-adjacent attacker to bypass MAC address checking, allowing MAC addresses not intended to reach the adjacent LAN to be forwarded ...

CVE-2023-44190

An Origin Validation vulnerability in MAC address validation of Juniper Networks Junos OS Evolved on PTX10001, PTX10004, PTX10008, and PTX10016 devices allows a network-adjacent attacker to bypass MAC address checking, allowing MAC addresses not intended to reach the adjacent LAN to be forwarded ...

Input validation

An Origin Validation vulnerability in MAC address validation of Juniper Networks Junos OS Evolved on PTX10003 Series allows a network-adjacent attacker to bypass MAC address checking, allowing MAC addresses not intended to reach the adjacent LAN to be forwarded to the downstream network. Due to...

Input validation

An Origin Validation vulnerability in MAC address validation of Juniper Networks Junos OS Evolved on PTX10001, PTX10004, PTX10008, and PTX10016 devices allows a network-adjacent attacker to bypass MAC address checking, allowing MAC addresses not intended to reach the adjacent LAN to be forwarded ...

CVE-2023-44186

An Improper Handling of Exceptional Conditions vulnerability in AS PATH processing of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a BGP update message with an AS PATH containing a large number of 4-byte ASes, leading to a Denial of Service DoS. Continued receipt and...

Design/Logic Flaw

An Improper Handling of Exceptional Conditions vulnerability in AS PATH processing of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a BGP update message with an AS PATH containing a large number of 4-byte ASes, leading to a Denial of Service DoS. Continued receipt and...

Design/Logic Flaw

An Exposure of Sensitive Information vulnerability in the 'file copy' command of Junos OS Evolved allows a local, authenticated attacker with shell access to view passwords supplied on the CLI command-line. These credentials can then be used to provide unauthorized access to the remote system. Th...

CVE-2023-44190 Junos OS Evolved: PTX10001, PTX10004, PTX10008, PTX10016: MAC address validation bypass vulnerability

An Origin Validation vulnerability in MAC address validation of Juniper Networks Junos OS Evolved on PTX10001, PTX10004, PTX10008, and PTX10016 devices allows a network-adjacent attacker to bypass MAC address checking, allowing MAC addresses not intended to reach the adjacent LAN to be forwarded ...

CVE-2023-44190

CVE-2023-44190 concerns an Origin Validation vulnerability in MAC address validation on Juniper Networks Junos OS Evolved for PTX10001/PTX10004/PTX10008/PTX10016. The root cause is bypass of MAC address checking, allowing a network-adjacent attacker to forward MAC addresses not intended for the a...

CVE-2023-44190 Junos OS Evolved: PTX10001, PTX10004, PTX10008, PTX10016: MAC address validation bypass vulnerability

An Origin Validation vulnerability in MAC address validation of Juniper Networks Junos OS Evolved on PTX10001, PTX10004, PTX10008, and PTX10016 devices allows a network-adjacent attacker to bypass MAC address checking, allowing MAC addresses not intended to reach the adjacent LAN to be forwarded ...

CVE-2023-44189

CVE-2023-44189 affects Juniper Networks Junos OS Evolved on PTX10003 Series. The issue is an Origin Validation vulnerability in MAC address validation that lets a network-adjacent attacker bypass MAC checks, causing MACs not intended for the adjacent LAN to be forwarded to the downstream network,...

CVE-2023-44187 Junos OS Evolved: 'file copy' CLI command can disclose password to shell users

An Exposure of Sensitive Information vulnerability in the 'file copy' command of Junos OS Evolved allows a local, authenticated attacker with shell access to view passwords supplied on the CLI command-line. These credentials can then be used to provide unauthorized access to the remote system. Th...

CVE-2023-44187 Junos OS Evolved: 'file copy' CLI command can disclose password to shell users

An Exposure of Sensitive Information vulnerability in the 'file copy' command of Junos OS Evolved allows a local, authenticated attacker with shell access to view passwords supplied on the CLI command-line. These credentials can then be used to provide unauthorized access to the remote system. Th...

CVE-2023-44187

The CVE affects Juniper Junos OS Evolved: the 'file copy' CLI command can disclose passwords entered on the command line to a local attacker with shell access. Affected versions require upgrading to fixed releases: 20.4R3-S7-EVO or later; 21.1R1-EVO to 21.2R3-S5-EVO or later; 21.2R3-S5-EVO or lat...