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Arista CloudEOSOn affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch.

Risk 43
Severity
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. This causes a leak of packet buffers and if enough malformed packets are received, the switch may eventually stop forwarding traffic.

Remedy

The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Artista recommends customers move to the latest version of each release that contains all the fixes listed below. CVE-2023-24545 has been fixed in the following releases: 4.29.2F and later releases in the 4.29.x train 4.28.5M and later releases in the 4.28.x train 4.27.8M and later releases in the 4.27.x train 4.26.9M and later releases in the 4.26.x train

Remedy

The following hotfixes can be applied to remediate both CVE-2023-24545 and CVE-2023-24513. Due to the size of the hotfixes, there are multiple files. Each hotfix applies to a specific set of release trSecurityAdvisory8X_4.28_Hotfix.swixains: Note: Installing/uninstalling the SWIX will cause Sfe agent to restart and stop forwarding traffic for up to 10 seconds. 4.29.1F and below releases in the 4.29.x Train: URL:SecurityAdvisory85_4.29_Hotfix.swix SWIX Hash: SHA512 (SHA-512)c965e149cbbaa8698648af9290c5a728e9fe635186eee7629b789502ef37db4a94beea5ecd20e1dc8a19c2cc8988052b625cfccf764c28b8b0e9e4eef8e79bb4Open with Google Docs 4.28.5M and below releases in the 4.28.x train: URL:SecurityAdvisory85_4.28_Hotfix.swix SWIX Hash: (SHA-512)522d51c6548111d9819ef8b1523b8798ac6847012955e3f885c6f466c81468960fbd4497b45289c8f77297263111340fbdbd7003a30b64e3ef9a270ace62c079 4.27.8M and below releases in the 4.27.x train: URL:SecurityAdvisory85_4.27_Hotfix.swix SWIX Hash: (SHA-512)5ce5479c11abf185f50d484204555b2dfb9b1c93e8f475d027082ca0951cbfca0f331960a1dd111b8c079264b1dab31b0a62c8daf011afb27b1283c2382747a2Open with Go 4.26.9M and below releases in the 4.26.x train: URL:SecurityAdvisory85_4.26_Hotfix.swix SWIX Hash: (SHA-512)9386f12a24f35679bdeb08d506bf0bddb9703d1ef3043de2c06d09ff47f2dd0d1bd7aca0748febb5b04fbdeaed7c4ae2922086fb638c754c3a9a5384306396d2
First published (updated )
CVE-2023-24545

Arista EOSOn affected platforms running Arista EOS with SNMP configured, a specially crafted packet can cause a memory leak in the snmpd process.

Risk 43
Severity
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

On affected platforms running Arista EOS with SNMP configured, a specially crafted packet can cause a memory leak in the snmpd process. This may result in the snmpd processing being terminated (causing SNMP requests to time out until snmpd is automatically restarted) and potential memory resource exhaustion for other processes on the switch. The vulnerability does not have any confidentiality or integrity impacts to the system.

Remedy

The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Artista recommends customers move to the latest version of each release that contains all the fixes listed below. For more information about upgrading see Eos User Manual: Upgrades and Downgrades CVE-2023-24511 has been fixed in the following releases: 4.29.2F and later releases in the 4.29.x train 4.28.6M and later releases in the 4.28.x train 4.27.9M and later releases in the 4.27.x train 4.26.10M and later releases in the 4.26.x train

Remedy

The following hotfix can be applied to remediate CVE-2023-24511. The hotfix only applies to the releases listed below and no other releases. All other versions require upgrading to a release containing the fix (as listed above).: 4.29.1F and below releases in the 4.29.x train 4.28.5.1M and below releases in the 4.28.x train 4.27.8.1M and below releases in the 4.27.x train 4.26.9M and below releases in the 4.26.x train Note: Installing/uninstalling the SWIX will cause the snmpd process to restart Version: 1.0 URL:SecurityAdvisory84_CVE-2023-24511_Hotfix.swix SWIX hash:SecurityAdvisory84_CVE-2023-24511_Hotfix.swix (SHA-512)da2bc1fd2c7fc718e3c72c7ce83dc1caa05150cbe2f081c8cc3ed40ce787f7e24dff5202e621ef5f2af89f72afd25f7476d02f722ffe8e8c7d24c101cbbfe0e5
First published (updated )
CVE-2023-24511

Arista CloudEOSOn affected platforms running Arista CloudEOS a size check bypass issue in the Software Forwarding Engine (Sfe) may allow buffer over reads in later code. Additionally, depending on configured options this may cause a recomputation of the TCP checksum ...

Risk 43
Severity
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. This causes a leak of packet buffers and if enough malformed packets are received, the switch may eventually stop forwarding traffic.

Remedy

The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Artista recommends customers move to the latest version of each release that contains all the fixes listed below. CVE-2023-24513 has been fixed in the following releases: 4.29.2F and later releases in the 4.29.x train 4.28.6M and later releases in the 4.28.x train 4.27.9M and later releases in the 4.27.x train 4.26.10M and later releases in the 4.26.x train

Remedy

The following hotfixes can be applied to remediate both CVE-2023-24545 and CVE-2023-24513. Due to the size of the hotfixes, there are multiple files. Each hotfix applies to a specific set of release trSecurityAdvisory8X_4.28_Hotfix.swixains: Note: Installing/uninstalling the SWIX will cause Sfe agent to restart and stop forwarding traffic for up to 10 seconds. 4.29.1F and below releases in the 4.29.x Train: URL:SecurityAdvisory85_4.29_Hotfix.swix SWIX Hash: SHA512 (SHA-512)c965e149cbbaa8698648af9290c5a728e9fe635186eee7629b789502ef37db4a94beea5ecd20e1dc8a19c2cc8988052b625cfccf764c28b8b0e9e4eef8e79bb4Open with Google Docs 4.28.5M and below releases in the 4.28.x train: URL:SecurityAdvisory85_4.28_Hotfix.swix SWIX Hash: (SHA-512)522d51c6548111d9819ef8b1523b8798ac6847012955e3f885c6f466c81468960fbd4497b45289c8f77297263111340fbdbd7003a30b64e3ef9a270ace62c079 4.27.8M and below releases in the 4.27.x train: URL:SecurityAdvisory85_4.27_Hotfix.swix SWIX Hash: (SHA-512)5ce5479c11abf185f50d484204555b2dfb9b1c93e8f475d027082ca0951cbfca0f331960a1dd111b8c079264b1dab31b0a62c8daf011afb27b1283c2382747a2Open with Go 4.26.9M and below releases in the 4.26.x train: URL:SecurityAdvisory85_4.26_Hotfix.swix SWIX Hash: (SHA-512)9386f12a24f35679bdeb08d506bf0bddb9703d1ef3043de2c06d09ff47f2dd0d1bd7aca0748febb5b04fbdeaed7c4ae2922086fb638c754c3a9a5384306396d2
First published (updated )
CVE-2023-24513

Arista EOSOn the affected platforms running EOS, a malformed DHCP packet might cause the DHCP relay agent to restart.

Risk 43
Severity
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

On the affected platforms running EOS, a malformed DHCP packet might cause the DHCP relay agent to restart.

Remedy

CVE-2023-24510 has been fixed in the following releases: - 4.29.2F and later releases in the 4.29.x train - 4.28.7M and later releases in the 4.28.x train - 4.27.10M and later releases in the 4.27.x train - 4.26.10M and later releases in the 4.26.x train
First published (updated )
CVE-2023-24510

Arista CloudEOSA vulnerability exists in Arista’s Cloud EOS VM / vEOS 4.23.2M and below releases in the 4.23.x trai…

Risk 43
Severity
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

A vulnerability exists in Arista’s Cloud EOS VM / vEOS 4.23.2M and below releases in the 4.23.x train, 4.22.4M and below releases in the 4.22.x train, 4.21.3M to 4.21.9M releases in the 4.21.x train, 4.21.3FX-7368., 4.21.4-FCRFX., 4.21.4.1, 4.21.7.1, 4.22.2.0.1, 4.22.2.2.1, 4.22.3.1, and 4.23.2.1 Router code in a scenario where TCP MSS options are configured.

First published (updated )
CVE-2020-11622

Arista EOSOn affected platforms running Arista EOS, an authorized attacker with permissions to perform gNMI re…

Risk 79
Severity
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

On affected platforms running Arista EOS, an authorized attacker with permissions to perform gNMI requests could craft a request allowing it to update arbitrary configurations in the switch. This situation occurs only when the Streaming Telemetry Agent (referred to as the TerminAttr agent) is enabled and gNMI access is configured on the agent. Note: This gNMI over the Streaming Telemetry Agent scenario is mostly commonly used when streaming to a 3rd party system and is not used by default when streaming to CloudVision

First published (updated )
CVE-2023-24512

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