Design/Logic Flaw

In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards...

CVE-2021-21005 Race Condition Vulnerability in Phoenix Contact FL SWITCH SMCS series products

In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards...

PT-2021-14332

Name of the Vulnerable Software and Affected Versions: Phoenix Contact FL SWITCH SMCS series products affected versions not specified Description: The issue concerns a network stack crash that occurs when a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0 is sent t...

CVE-2021-21005: Concurrent Execution using Shared Resource with Improper Synchronization

In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards...

CVE-2021-21005

In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards...

CVE-2021-21257

Contiki-NG is an open-source, cross-platform operating system for internet of things devices. The RPL-Classic and RPL-Lite implementations in the Contiki-NG operating system versions prior to 4.6 do not validate the address pointer in the RPL source routing header This makes it possible for an...

CVE-2020-7469

In FreeBSD 12.2-STABLE before r367402, 11.4-STABLE before r368202, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 the handler for a routing option caches a pointer into the packet buffer holding the ICMPv6 message. However, when processing subsequent options the packet...

CVE-2020-7469

In FreeBSD 12.2-STABLE before r367402, 11.4-STABLE before r368202, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 the handler for a routing option caches a pointer into the packet buffer holding the ICMPv6 message. However, when processing subsequent options the packet...

CVE-2020-7469

The CVE-2020-7469 issue affects FreeBSD’s ICMPv6 handling: the routing option handler caches a pointer to a packet buffer containing an ICMPv6 message, which can be freed later, risking a use-after-free when the pointer is dereferenced. A remote attacker could trigger a read of freed kernel memor...

CVE-2020-7469

Removed by vendor...

CVE-2020-7469

In FreeBSD 12.2-STABLE before r367402, 11.4-STABLE before r368202, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 the handler for a routing option caches a pointer into the packet buffer holding the ICMPv6 message. However, when processing subsequent options the packet...

CVE-2020-7469: Use After Free

In FreeBSD 12.2-STABLE before r367402, 11.4-STABLE before r368202, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 the handler for a routing option caches a pointer into the packet buffer holding the ICMPv6 message. However, when processing subsequent options the packet...

Cisco NX-OS Software IPv6 Netstack DoS (cisco-sa-nxos-ipv6-netstack-edXPGV7K)

According to its self-reported version, the network stack of Cisco NX-OS Software is affected by denial of service vulnerability due to buffers not freeing properly in the Cisco NX-OS Software network stack known as netstack. An unauthenticated, remote attacker can exploit this by sending multipl...

Design/Logic Flaw

A vulnerability in the forwarding of transit TCPv6 packets received on the Ethernet management interface of Juniper Networks Junos OS allows an attacker to trigger a kernel panic, leading to a Denial of Service DoS. Continued receipt and processing of these transit packets will create a sustained...

CVE-2021-0258

CVE-2021-0258 describes a DoS vulnerability in Juniper Networks Junos OS where forwarding of transit TCPv6 packets on the Ethernet management interface can trigger a kernel panic. The issue arose from a TCP Parallelization feature introduced in Junos OS 17.2, active by default with concurrent net...

Windows TCP/IP Unauthorized Access

The vulnerability of the TCP/IP protocol stack implementation in Microsoft Windows operating systems is related to insufficient protection of operational data. Exploiting this vulnerability can allow an attacker, acting remotely, to gain unauthorized access to protected information...

Cisco NX-OS Denial of Service Vulnerability (CNVD-2021-13218)

Cisco NX-OS is the network operating system for the Cisco Nexus family of Ethernet switches and the MDS family of Fibre Channel storage area network switches. A denial of service vulnerability exists in the network stack of Cisco NX-OS. The vulnerability stems from the software incorrectly freein...

CVE-2021-1387

Cisco NX-OS Software IPv6 Netstack vulnerability (CVE-2021-1387) affects the network stack of Cisco NX-OS, where the netstack improperly releases resources while processing certain IPv6 packets destined for the device. An unauthenticated, remote attacker can send crafted IPv6 packets to trigger a...

Cisco NX-OS Software 安全漏洞

Cisco NX-OS is the network operating system for the Cisco Nexus family of Ethernet switches and the MDS family of Fibre Channel storage area network switches. A denial of service vulnerability exists in the network stack of Cisco NX-OS. The vulnerability stems from the software incorrectly freein...

PT-2021-2179

Name of the Vulnerable Software and Affected Versions Cisco NX-OS Software affected versions not specified Description A vulnerability in the network stack of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. Thi...