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<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Thank you very much for the quick response.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">So can I say that if the nginx do not read the request body, it will not have the “CVE-2016-4450” issue?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><b><span lang="EN-US" style="font-size:11.0pt">From:</span></b><span lang="EN-US" style="font-size:11.0pt">
</span><span style="font-size:11.0pt;font-family:宋体">石磊</span><span lang="EN-US" style="font-size:11.0pt">
<br>
<b>Sent:</b> Friday, June 03, 2016 2:55 PM<br>
<b>To:</b> 'nginx@nginx.org'<br>
<b>Subject:</b> How to reproduce issue CVE-2016-4450?<o:p></o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Hi,<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>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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