CVE-2024-20267

A vulnerability with the handling of MPLS traffic for Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the netstack process to unexpectedly restart, which could cause the device to stop processing network traffic or to reload. This vulnerability is due to lack of prop...

CVE-2024-20267

CVE-2024-20267 describes a denial-of-service vulnerability in Cisco NX-OS Software related to MPLS traffic handling. The issue arises from insufficient error checking when processing an ingress MPLS frame, enabling an unauthenticated, remote attacker to send a crafted IPv6 packet encapsulated in ...

Cisco NX-OS Software MPLS Encapsulated IPv6 Denial of Service Vulnerability

A vulnerability with the handling of MPLS traffic for Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the netstack process to unexpectedly restart, which could cause the device to stop processing network traffic or to reload. This vulnerability is due to lack of prop...

CVE-2024-20267: Buffer Copy without Checking Size of Input

A vulnerability with the handling of MPLS traffic for Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the netstack process to unexpectedly restart, which could cause the device to stop processing network traffic or to reload. This vulnerability is due to lack of prop...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Path traversal

An Improper Neutralization of Equivalent Special Elements vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on PTX Series allows a unauthenticated, adjacent attacker to cause a Denial of Service DoS. When MPLS packets are meant to be sent to a flexible tunnel interfac...

CVE-2024-21600 Junos OS: PTX Series: In an FTI scenario MPLS packets hitting reject next-hop will cause a host path wedge condition

An Improper Neutralization of Equivalent Special Elements vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on PTX Series allows a unauthenticated, adjacent attacker to cause a Denial of Service DoS. When MPLS packets are meant to be sent to a flexible tunnel interfac...

CVE-2024-21600 Junos OS: PTX Series: In an FTI scenario MPLS packets hitting reject next-hop will cause a host path wedge condition

An Improper Neutralization of Equivalent Special Elements vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on PTX Series allows a unauthenticated, adjacent attacker to cause a Denial of Service DoS. When MPLS packets are meant to be sent to a flexible tunnel interfac...

CVE-2024-21600

CVE-2024-21600 describes an issue in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on PTX Series. An improper neutralization of equivalent special elements allows an unauthenticated, adjacent attacker to trigger a Denial of Service by causing a host path wedge when MPLS packets ...

Cisco IOS XR Software Access Control List Bypass (cisco-sa-dnx-acl-PyzDkeYF)

According to its self-reported version, Cisco IOS XR is affected by a vulnerability. - A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This...

ALSA-2023:7077 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: tun: avoid double free in tunfreenetdev CVE-2022-4744 kernel: net/sched: multiple vulnerabilities CVE-2023-3609, CVE-2023-3611, CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208...

kernel: mpls: double free on sysctl allocation failure

A double-free flaw was found in the Linux kernel when the MPLS implementation handled sysctl allocation failures. This issue could allow a local user to cause a denial of service or possibly execute arbitrary code...

CVE-2023-44196

An Improper Check for Unusual or Exceptional Conditions in the Packet Forwarding Engine pfe of Juniper Networks Junos OS Evolved on PTX10003 Series allows an unauthenticated adjacent attacker to cause an impact to the integrity of the system. When specific transit MPLS packets are received by the...

CVE-2023-44196

An Improper Check for Unusual or Exceptional Conditions in the Packet Forwarding Engine pfe of Juniper Networks Junos OS Evolved on PTX10003 Series allows an unauthenticated adjacent attacker to cause an impact to the integrity of the system. When specific transit MPLS packets are received by the...

Input validation

An Improper Check for Unusual or Exceptional Conditions in the Packet Forwarding Engine pfe of Juniper Networks Junos OS Evolved on PTX10003 Series allows an unauthenticated adjacent attacker to cause an impact to the integrity of the system. When specific transit MPLS packets are received by the...

CVE-2023-20191

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incomplete support for this feature. An attacker could exploit th...

CVE-2023-20191

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incomplete support for this feature. An attacker could exploit th...

Design/Logic Flaw

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incomplete support for this feature. An attacker could exploit th...

CVE-2023-20191

Cisco IOS XR Software ACL bypass vulnerability (CVE-2023-20191) affects ACL processing on MPLS interfaces in the ingress direction. The issue arises from incomplete support for this feature, potentially allowing an unauthenticated, remote attacker to bypass a configured ACL by sending traffic thr...

CVE-2023-20191

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incomplete support for this feature. An attacker could exploit th...