Arista Eos vulnerabilities

CVE-2019-18948 [HIGH] CVE-2019-18948: An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M and below releases in the 4.22.x train, 4.23.1F and below releases

CVE-2021-28510 [HIGH] CWE-400 CVE-2021-28510: For certain systems running EOS, a Precision Time Protocol (PTP) packet of a management/signaling me For certain systems running EOS, a Precision Time Protocol (PTP) packet of a management/signaling message with an invalid Type-Length-Value (TLV) causes the PTP agent to restart. Repeated restarts of the service will make the service unavailable.

CVE-2023-24510 [HIGH] CWE-755 CVE-2023-24510: On the affected platforms running EOS, a malformed DHCP packet might cause the DHCP relay agent to r On the affected platforms running EOS, a malformed DHCP packet might cause the DHCP relay agent to restart.

CVE-2023-3646 [HIGH] CWE-125 CVE-2023-3646: On affected platforms running Arista EOS with mirroring to multiple destinations configured, an inte On affected platforms running Arista EOS with mirroring to multiple destinations configured, an internal system error may trigger a kernel panic and cause system reload.

CVE-2020-17355 [HIGH] CVE-2020-17355: Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause a denial of service (restart of agents) by crafting a malformed DHCP packet which leads to an incorrect route being installed.

CVE-2021-28496 [MEDIUM] CWE-311 CVE-2021-28496: On systems running Arista EOS and CloudEOS with the affected release version, when using shared secr On systems running Arista EOS and CloudEOS with the affected release version, when using shared secret profiles the password configured for use by BiDirectional Forwarding Detection (BFD) will be leaked when displaying output over eAPI or other JSON outputs to other authenticated users on the device. The affected EOS Versions are: all releases in 4.

CVE-2020-24360 [HIGH] CWE-404 CVE-2020-24360: An issue with ARP packets in Arista’s EOS affecting the 7800R3, 7500R3, and 7280R3 series of product An issue with ARP packets in Arista’s EOS affecting the 7800R3, 7500R3, and 7280R3 series of products may result in issues that cause a kernel crash, followed by a device reload. The affected Arista EOS versions are: 4.24.2.4F and below releases in the 4.24.x train; 4.23.4M and below releases in the 4.23.x train; 4.22.6M and below releases in the 4.22

CVE-2015-5278 [MEDIUM] CWE-835 CVE-2015-5278: The ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows attackers to cause a de The ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows attackers to cause a denial of service (infinite loop and instance crash) or possibly execute arbitrary code via vectors related to receiving packets.

CVE-2021-28507 [HIGH] CWE-284 CVE-2021-28507: An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed, which results in the denied requests being forwarded to the agent.

CVE-2021-28511 [MEDIUM] CWE-284 CVE-2021-28511: This advisory documents the impact of an internally found vulnerability in Arista EOS for security A This advisory documents the impact of an internally found vulnerability in Arista EOS for security ACL bypass. The impact of this vulnerability is that the security ACL drop rule might be bypassed if a NAT ACL rule filter with permit action matches the packet flow. This could allow a host with an IP address in a range that matches the range allowed

CVE-2015-5745 [MEDIUM] CWE-120 CVE-2015-5745: Buffer overflow in the send_control_msg function in hw/char/virtio-serial-bus.c in QEMU before 2.4.0 Buffer overflow in the send_control_msg function in hw/char/virtio-serial-bus.c in QEMU before 2.4.0 allows guest users to cause a denial of service (QEMU process crash) via a crafted virtio control message.

CVE-2018-5254 [HIGH] CWE-417 CVE-2018-5254: Arista EOS before 4.20.2F allows remote BGP peers to cause a denial of service (Rib agent restart) v Arista EOS before 4.20.2F allows remote BGP peers to cause a denial of service (Rib agent restart) via a malformed path attribute in an UPDATE message.

CVE-2015-5239 [MEDIUM] CWE-835 CVE-2015-5239: Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial o Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an infinite loop.

CVE-2018-5255 [MEDIUM] CVE-2018-5255: The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to cause a denial of service (agent restart) via crafted UDP packets.

CVE-2020-26569 [MEDIUM] CVE-2020-26569: In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindi 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 in the 4.21.x train; 4.22.7M and below releases in the 4.22.x

CVE-2021-28508 [MEDIUM] CWE-255 CVE-2021-28508: This advisory documents the impact of an internally found vulnerability in Arista EOS state streamin This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak IPsec sensitive data in clear text in CVP to other authorized users, which could cause IPsec traffi

CVE-2021-28509 [MEDIUM] CWE-255 CVE-2021-28509: This advisory documents the impact of an internally found vulnerability in Arista EOS state streamin This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak MACsec sensitive data in clear text in CVP to other authorized users, which could cause MACsec traf

CVE-2020-15898 [MEDIUM] CVE-2020-15898: In Arista EOS malformed packets can be incorrectly forwarded across VLAN boundaries in one direction In Arista EOS malformed packets can be incorrectly forwarded across VLAN boundaries in one direction. This vulnerability is only susceptible to exploitation by unidirectional traffic (ex. UDP) and not bidirectional traffic (ex. TCP). This affects: EOS 7170 platforms version 4.21.4.1F and below releases in the 4.21.x train; EOS X-Series versions 4.21.11M and

CVE-2018-14008 [MEDIUM] CWE-287 CVE-2018-14008: Arista EOS through 4.21.0F allows a crash because 802.1x authentication is mishandled. Arista EOS through 4.21.0F allows a crash because 802.1x authentication is mishandled.

CVE-2023-24548 [MEDIUM] CWE-120 CVE-2023-24548: On affected platforms running Arista EOS with VXLAN configured, malformed or truncated packets recei On affected platforms running Arista EOS with VXLAN configured, malformed or truncated packets received over a VXLAN tunnel and forwarded in hardware can cause egress ports to be unable to forward packets. The device will continue to be susceptible to the issue until remediation is in place.