lldp/openvswitch: denial of service via externally triggered memory leak

A flaw was found in multiple versions of Open vSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability...

lldp/openvswitch: denial of service via externally triggered memory leak

A flaw was found in multiple versions of Open vSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability...

lldp/openvswitch: denial of service via externally triggered memory leak

A flaw was found in multiple versions of Open vSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability...

The vulnerability of the implementations of the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) in Cisco IP telephones allows a perpetrator to trigger a system reboot and a service failure.

The vulnerability of the Cisco Discovery Protocol and Link Layer Discovery Protocol LLDP implementations in IP-telephone microprogramming systems is related to buffer overflow vulnerabilities. Exploiting this vulnerability can allow an attacker to trigger a device reboot and a service failure...

Vulnerability fixed in Cisco IP Phones

A vulnerability has been fixed in Cisco IP Phones. The vulnerability allows a malicious party capable of sending rogue Cisco Discovery Protocol or LLDP packet to send to the IP Phone able to execute arbitrary code or cause a Denial-of-Service attack. Cisco has released updates to fix the...

Cisco IP Phones Buffer Overflow and Denial of Service Vulnerabilities

Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol LLDP implementations for Cisco IP Phone Series 68xx/78xx/88xx could allow an unauthenticated, adjacent attacker to execute code remotely or cause a reload of an affected IP phone. These vulnerabilities are...

PT-2021-2256

Name of the Vulnerable Software and Affected Versions: Cisco IP Phone Series 68xx/78xx/88xx affected versions not specified Description: The issue is related to multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol LLDP implementations. These vulnerabilities...

The vulnerability of the Link Layer Discovery Protocol (LLDP) implementation in the NX-OS operating system in ACI Mode on Nexus 9000 Series routers allows a attacker to cause a service failure.

The vulnerability of the Link Layer Discovery Protocol LLDP implementation in the NX-OS operating system in ACI Mode on Nexus 9000 Series routers is related to deficiencies in access control. Exploiting this vulnerability could allow a malicious actor to cause service failures remotely...

CVE-2021-1231

A vulnerability in the Link Layer Discovery Protocol LLDP for Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an unauthenticated, adjacent attacker to disable switching on a small form-factor pluggable SFP interface. This vulnerability is due to...

CVE-2021-1228

A vulnerability in the fabric infrastructure VLAN connection establishment of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode could allow an unauthenticated, adjacent attacker to bypass security validations and connect an unauthorized server to the...

Input validation

A vulnerability in the Link Layer Discovery Protocol LLDP for Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an unauthenticated, adjacent attacker to disable switching on a small form-factor pluggable SFP interface. This vulnerability is due to...

CVE-2021-1231 Cisco Nexus 9000 Series Fabric Switches ACI Mode Link Layer Discovery Protocol Port Denial of Service Vulnerability

A vulnerability in the Link Layer Discovery Protocol LLDP for Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an unauthenticated, adjacent attacker to disable switching on a small form-factor pluggable SFP interface. This vulnerability is due to...

PT-2021-2178 · Cisco · Cisco Application Policy Infrastructure Controller +1

Name of the Vulnerable Software and Affected Versions: Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode affected versions not specified Description: A vulnerability in the fabric infrastructure VLAN connection establishment could allow an unauthenticated,...

PT-2021-2161 · Cisco · Cisco Nexus 9000 Series Fabric Switches

Name of the Vulnerable Software and Affected Versions: Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode affected versions not specified Description: A vulnerability in the Link Layer Discovery Protocol LLDP could allow an unauthenticated, adjacent attacker to disab...

lldp/openvswitch: denial of service via externally triggered memory leak

A flaw was found in multiple versions of Open vSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability...

USN-4691-1 openvswitch vulnerabilities

Jonas Rudloff discovered that Open vSwitch incorrectly handled certain malformed LLDP packets. A remote attacker could use this issue to cause Open vSwitch to crash, resulting in a denial of service, or possibly execute arbitrary code...

UBUNTU-CVE-2020-27827

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability...

lldpd: buffer overflow in the lldp_decode function in daemon/protocols/lldp.c

A buffer overflow was found in the lldpdecode function in daemon/protocols/lldp.c in lldpd. This flaw allows remote attackers to cause a denial of service daemon crash and possibly execute arbitrary code via vectors involving large management addresses and TLV boundaries. This threatens the...

Phoenix Contact PLCnext Control Devices 输入验证错误漏洞

Phoenix Contact PLCnext Control Devices is a programmable logic controller for industrial environments from Phoenix Contact. An input validation error vulnerability exists in Phoenix Contact PLCnext Control Devices prior to version 2021.0 LTS, which stems from a specially designed LLDP packet tha...

lldpd: buffer overflow in the lldp_decode function in daemon/protocols/lldp.c

A buffer overflow was found in the lldpdecode function in daemon/protocols/lldp.c in lldpd. This flaw allows remote attackers to cause a denial of service daemon crash and possibly execute arbitrary code via vectors involving large management addresses and TLV boundaries. This threatens the...