CVE-2024-30386

CVE-2024-30386 is a Use-After-Free vulnerability in the Layer 2 Address Learning Daemon (l2ald) of Juniper Networks Junos OS and Junos OS Evolved. In EVPN-VXLAN deployments, state updates processed by adjacent systems may flow in an unsafe order, causing l2ald to crash and restart, leading to a D...

CVE-2024-30386 Junos OS and Junos OS Evolved: In a EVPN-VXLAN scenario state changes on adjacent systems can cause an l2ald process crash

A Use-After-Free vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause l2ald to crash leading to a Denial-of-Service DoS. In an EVPN-VXLAN scenario, when state updates are received and...

CVE-2024-30386 Junos OS and Junos OS Evolved: In a EVPN-VXLAN scenario state changes on adjacent systems can cause an l2ald process crash

A Use-After-Free vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause l2ald to crash leading to a Denial-of-Service DoS. In an EVPN-VXLAN scenario, when state updates are received and...

PT-2024-2966 · Juniper Networks · Junos Evolved +1

Name of the Vulnerable Software and Affected Versions: Junos OS versions prior to 20.4R3-S8 Junos OS versions 21.2 prior to 21.2R3-S6 Junos OS versions 21.3 prior to 21.3R3-S5 Junos OS versions 21.4 prior to 21.4R3-S4 Junos OS versions 22.1 prior to 22.1R3-S3 Junos OS versions 22.2 prior to...

CVE-2023-44192

An Improper Input Validation vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause memory leak, leading to Denial of Service DoS. On all Junos OS QFX5000 Series platforms, when pseudo-VTEP Virtual Tunnel End Point is...

CVE-2023-44192

An Improper Input Validation vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause memory leak, leading to Denial of Service DoS. On all Junos OS QFX5000 Series platforms, when pseudo-VTEP Virtual Tunnel End Point is...

Input validation

An Improper Input Validation vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause memory leak, leading to Denial of Service DoS. On all Junos OS QFX5000 Series platforms, when pseudo-VTEP Virtual Tunnel End Point is...

CVE-2023-44192 Junos OS: QFX5000 Series: DMA memory leak is observed when specific DHCP packets are transmitted over pseudo-VTEP

An Improper Input Validation vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause memory leak, leading to Denial of Service DoS. On all Junos OS QFX5000 Series platforms, when pseudo-VTEP Virtual Tunnel End Point is...

Vulnerabilities fixed in Juniper Junos OS and Junos OS Evolved

Vulnerabilities have been fixed in Juniper Junos OS and Junos OS Evolved. The vulnerabilities allow a malicious party to execute attacks that result in the following categories of damage: Denial-of-Service DoS Circumvention of security measure Accessing sensitive data Accessing system data Junipe...

CVE-2023-22414

A Missing Release of Memory after Effective Lifetime vulnerability in Flexible PIC Concentrator FPC of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker from the same shared physical or logical network, to cause a heap memory leak and leading to FPC crash. On all Junos PTX...

Design/Logic Flaw

A Missing Release of Memory after Effective Lifetime vulnerability in Flexible PIC Concentrator FPC of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker from the same shared physical or logical network, to cause a heap memory leak and leading to FPC crash. On all Junos PTX...

CVE-2023-22414 Junos OS: PTX Series and QFX10000 Series: An FPC memory leak is observed when specific EVPN VXLAN Multicast packets are processed

A Missing Release of Memory after Effective Lifetime vulnerability in Flexible PIC Concentrator FPC of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker from the same shared physical or logical network, to cause a heap memory leak and leading to FPC crash. On all Junos PTX...

PT-2023-3055 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS PTX Series and QFX10000 Series versions prior to 20.2R3-S6 Juniper Networks Junos OS PTX Series and QFX10000 Series versions prior to 20.3R3-S6 Juniper Networks Junos OS PTX Series and QFX10000 Series versions prior ...

CVE-2021-0228

An improper check for unusual or exceptional conditions vulnerability in Juniper Networks MX Series platforms with Trio-based MPC Modular Port Concentrator deployed in Ethernet VPN EVPN-Virtual Extensible LAN VXLAN configuration, may allow an attacker sending specific Layer 2 traffic to cause...

CVE-2021-0272 Junos OS: QFX10002-32Q, QFX10002-60C, QFX10002-72Q, QFX10008, QFX10016: In EVPN-VXLAN scenarios receipt of specific genuine packets by an adjacent attacker will cause a kernel memory leak in FPC.

A kernel memory leak in QFX10002-32Q, QFX10002-60C, QFX10002-72Q, QFX10008, QFX10016 devices Flexible PIC Concentrators FPCs on Juniper Networks Junos OS allows an attacker to send genuine packets destined to the device to cause a Denial of Service DoS to the device. On QFX10002-32Q, QFX10002-60C...

CVE-2021-0221

In an EVPN/VXLAN scenario, if an IRB interface with a virtual gateway address VGA is configured on a PE, a traffic loop may occur upon receipt of specific IP multicast traffic. The traffic loop will cause interface traffic to increase abnormally, ultimately leading to a Denial of Service DoS in...

CVE-2020-26569

In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded across VLAN boundaries. This can result in traffic being discarded on the receiving VLAN. This affects versions: 4.21.12M and below releases...

Design/Logic Flaw

In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded across VLAN boundaries. This can result in traffic being discarded on the receiving VLAN. This affects versions: 4.21.12M and below releases...

Security Advisory 0057

Security Advisory 0057 PDF Date: December 16th, 2020 Version: 1.0 Revision | Date | Changes ---|---|--- 1.0 | December 16th, 2020 | Initial Release The CVE-ID tracking this issue: CVE-2020-26569 CVSSv3.1 Base Score: 5.9/10 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Description This advisory...

CVE-2020-1687

On Juniper Networks EX4300-MP Series, EX4600 Series and QFX5K Series deployed in Ethernet VPN EVPN-Virtual Extensible LAN VXLAN configuration, receipt of a stream of specific VXLAN encapsulated layer 2 frames can cause high CPU load, which could lead to network protocol operation issue and traffi...