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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Some interesting analysis for anyone who has been following this:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><a href="https://community.rapid7.com/community/infosec/blog/2015/12/20/cve-2015-7755-juniper-screenos-authentication-backdoor">https://community.rapid7.com/community/infosec/blog/2015/12/20/cve-2015-7755-juniper-screenos-authentication-backdoor</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Apparently Cisco is now reviewing their own code as a result:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><a href="http://blogs.cisco.com/security/update-for-customers">http://blogs.cisco.com/security/update-for-customers</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Which begs the question… shouldn’t this be happening already, especially for network equipment – let alone security appliances?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Jonathan Thorpe
<br>
<b>Sent:</b> 18 December 2015 12:52<br>
<b>To:</b> ausnog@lists.ausnog.net<br>
<b>Subject:</b> Juniper ScreenOS backdoor<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">If anyone has any ScreenOS gear still running, you might want to have a look at this:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713">http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">It doesn’t say as much, but US-CERT seem to indicate that this is effectively backdoor code:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="https://www.us-cert.gov/ncas/current-activity/2015/12/17/Juniper-Releases-Out-band-Security-Advisory-ScreenOS">https://www.us-cert.gov/ncas/current-activity/2015/12/17/Juniper-Releases-Out-band-Security-Advisory-ScreenOS</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">“Juniper has discovered unauthorized code in ScreenOS which could allow an attacker to take control of NetScreen devices and to decrypt VPN connections.”</span></i><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Not cool.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Kind Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Jonathan<o:p></o:p></span></p>
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