cvelist/2023/24xxx/CVE-2023-24545.json

{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@arista.com",
        "DATE_PUBLIC": "2023-04-11T21:43:00.000Z",
        "ID": "CVE-2023-24545",
        "STATE": "PUBLIC",
        "TITLE": "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."
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "EOS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "4.29.0",
                                            "version_value": "4.29.1F"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "4.28.0",
                                            "version_value": "4.28.4M"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "4.27.0",
                                            "version_value": "4.27.7M"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "4.26.8M",
                                            "version_value": "4.26.8M"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Arista Networks"
                }
            ]
        }
    },
    "configuration": [
        {
            "lang": "eng",
            "value": "In order to be vulnerable to CVE-2023-24545 and CVE-2023-24513, the switch must be configured to run the Software Forwarding Engine (Sfe). Sfe is the default configuration on CloudEOS platforms. "
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "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."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-400 Uncontrolled Resource Consumption"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085",
                "name": "https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "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.\n\nCVE-2023-24545 has been fixed in the following releases:\n4.29.2F and later releases in the 4.29.x train\n4.28.5M and later releases in the 4.28.x train\n4.27.8M and later releases in the 4.27.x train\n4.26.9M and later releases in the 4.26.x train\n"
        },
        {
            "lang": "eng",
            "value": "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:\n\nNote: Installing/uninstalling the SWIX will cause Sfe agent to restart and stop forwarding traffic for up to 10 seconds.\n4.29.1F and below releases in the 4.29.x Train:\nURL:SecurityAdvisory85_4.29_Hotfix.swix\nSWIX Hash:\nSHA512 (SHA-512)c965e149cbbaa8698648af9290c5a728e9fe635186eee7629b789502ef37db4a94beea5ecd20e1dc8a19c2cc8988052b625cfccf764c28b8b0e9e4eef8e79bb4Open with Google Docs\n4.28.5M and below releases in the 4.28.x train:\nURL:SecurityAdvisory85_4.28_Hotfix.swix\nSWIX Hash:\n(SHA-512)522d51c6548111d9819ef8b1523b8798ac6847012955e3f885c6f466c81468960fbd4497b45289c8f77297263111340fbdbd7003a30b64e3ef9a270ace62c079\n4.27.8M and below releases in the 4.27.x train:\nURL:SecurityAdvisory85_4.27_Hotfix.swix\nSWIX Hash:\n(SHA-512)5ce5479c11abf185f50d484204555b2dfb9b1c93e8f475d027082ca0951cbfca0f331960a1dd111b8c079264b1dab31b0a62c8daf011afb27b1283c2382747a2Open with Go\n4.26.9M and below releases in the 4.26.x train:\nURL:SecurityAdvisory85_4.26_Hotfix.swix\nSWIX Hash:\n(SHA-512)9386f12a24f35679bdeb08d506bf0bddb9703d1ef3043de2c06d09ff47f2dd0d1bd7aca0748febb5b04fbdeaed7c4ae2922086fb638c754c3a9a5384306396d2\n"
        }
    ],
    "source": {
        "advisory": "85",
        "defect": [
            "743423"
        ],
        "discovery": "INTERNAL"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "There is no mitigation / workaround for these issues."
        }
    ]
}