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<p class="MsoNormal"><span lang="EN-US">Hi,</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am working on the fixing of issue CVE-2016-4450, it seems that if the request body is neither saved in the memory nor in file, it might crash when save the request body to the temp file.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Could you instruct me what kind of request body can trigger this issue? I want to reproduce it, and evaluate the whether upgrade our nginx server.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Refer to CVE-2016-4450:<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:12.0pt;font-family:宋体;color:black">A problem was identified in nginx code responsible for saving<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:12.0pt;font-family:宋体;color:black">client request body to a temporary file. A specially crafted request<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:12.0pt;font-family:宋体;color:black">might result in worker process crash due to a NULL pointer dereference<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:12.0pt;font-family:宋体;color:black">while writing client request body to a temporary file (CVE-2016-4450).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:13.0pt;font-family:"微软雅黑",sans-serif;color:gray">石<span lang="EN-US">
</span>磊</span></b><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"微软雅黑",sans-serif;color:#595959">技术产品中心云平台系统网络</span><span lang="EN-US" style="font-family:"微软雅黑",sans-serif;color:#595959">
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体;color:black"><img width="270" height="43" id="图片_x0020_7" src="cid:image001.jpg@01D1BDA7.C808E7F0" alt="邮件签名logo"></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体;color:black"> </span><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"微软雅黑",sans-serif;color:#919191">地址：北京市海淀区海淀北一街<span lang="EN-US">2</span>号鸿诚拓展大厦<span lang="EN-US">17</span>层<span lang="EN-US"> </span></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"微软雅黑",sans-serif;color:#919191">邮编：<span lang="EN-US">100080</span></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"微软雅黑",sans-serif;color:#919191">手机：＋<span lang="EN-US">86 138 1180 3496</span></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"微软雅黑",sans-serif;color:#919191">电话：</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"微软雅黑",sans-serif;color:#919191">传真：＋<span lang="EN-US">86 10 6267 7000</span></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"微软雅黑",sans-serif;color:#919191">邮箱：</span><span lang="EN-US" style="font-size:9.0pt;font-family:"微软雅黑",sans-serif"><a href="mailto:shilei@qiyi.com"><span style="color:blue">shilei@qiyi.com</span></a></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"微软雅黑",sans-serif;color:#919191">网址：</span><u><span lang="EN-US" style="font-size:9.0pt;font-family:"微软雅黑",sans-serif;color:blue">www.iQIYI.com</span></u><span lang="EN-US">
<a href="http://www.ppstream.com/"><span style="color:blue">www.ppstream.com</span></a><u><span style="color:blue"><o:p></o:p></span></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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