CVE-2023-36843

The CVE-2023-36843 issue affects Junos OS with the jsf module, where receiving malformed SSL traffic can crash the Packet Forwarding Engine (PFE) and cause DoS. Impact is limited to devices with ATP Cloud and Encrypted Traffic Insights enabled. Affected versions include 20.4R3-S8/S9, 21.1R1+, 21....

CVE-2023-36841 Junos OS: MX Series: Receipt of malformed TCP traffic will cause a Denial of Service

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on MX Series allows a unauthenticated network-based attacker to cause an infinite loop, resulting in a Denial of Service DoS. An attacker who sends malformed TCP...

CVE-2023-36841 Junos OS: MX Series: Receipt of malformed TCP traffic will cause a Denial of Service

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on MX Series allows a unauthenticated network-based attacker to cause an infinite loop, resulting in a Denial of Service DoS. An attacker who sends malformed TCP...

CVE-2023-36841

CVE-2023-36841 affects Juniper Networks Junos OS on MX Series with PPPoE-configured interfaces (tcp-mss enabled). An unauthenticated network attacker sending malformed TCP traffic can trigger an infinite loop in the Packet Forwarding Engine (PFE), leading to DoS as resources are exhausted and a m...

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...

CVE-2023-22392

CVE-2023-22392 describes a memory-leak DoS in Juniper Junos OS PFE caused by missing release of memory after its effective lifetime. Affected devices include PTX3000/PTX5000/QFX10000 and PTX1000/10002/10004/10008/10016 with LC110x LC… FPCs (and LC110x variants) and cover multiple older Junos rele...

CVE-2023-22392 Junos OS: PTX Series and QFX10000 Series: Received flow-routes which aren't installed as the hardware doesn't support them, lead to an FPC heap memory leak

A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause a Denial of Service DoS. PTX3000, PTX5000, QFX10000, PTX1000, PTX10002, and PTX10004, PTX10008 and PTX10016 wit...

PT-2023-6082 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS versions prior to 20.4R3-S7 Juniper Networks Junos OS version 21.1R1 and later versions Juniper Networks Junos OS versions prior to 21.2R3-S6 Juniper Networks Junos OS versions prior to 21.3R3-S5 Juniper Networks Jun...

Recent Vulnerabilities in Popular Applications Blocked by Imperva

Multiple vulnerabilities in popular and widespread applications have been disclosed recently, tracked as CVE-2023-36845, CVE-2023-40044, CVE-2023-42793, CVE-2023-29357, and CVE-2023-22515. These vulnerabilities, which affect several products and can be exploited to allow arbitrary code execution,...

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-2023-44189

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...

CVE-2023-44189

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 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-2023-44188

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in telemetry processing of Juniper Networks Junos OS allows a network-based authenticated attacker to flood the system with multiple telemetry requests, causing the Junos Kernel Debugging Streaming Daemon jkdsd process to crash,...

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...

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...

CVE-2023-44187

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...

Race condition

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in telemetry processing of Juniper Networks Junos OS allows a network-based authenticated attacker to flood the system with multiple telemetry requests, causing the Junos Kernel Debugging Streaming Daemon jkdsd process to crash,...