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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoPlainText>We received a report of bugs in the construction of the emails we send out in order to confirm authorization by the domain name registrant prior to issuing a server certificate.<o:p></o:p></p><p class=MsoPlainText>Colloquially these are known as Domain-Control Validation Emails.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>The security researcher, Matthew Bryant, followed a responsible disclosure process and we were afforded the opportunity to resolve this bug before he published his blog post at <o:p></o:p></p><p class=MsoPlainText><a href="https://thehackerblog.com/keeping-positive-obtaining-arbitrary-wildcard-ssl-certificates-from-comodo-via-dangling-markup-injection/index.html">https://thehackerblog.com/keeping-positive-obtaining-arbitrary-wildcard-ssl-certificates-from-comodo-via-dangling-markup-injection/index.html</a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>We are pleased to report that no certificates were issued contrary to the terms of our CPS.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>We have informed our external WebTrust auditors of the report and of its resolution.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>We will be further engaging with external security consultants to ensure that our systems remain secure so that we may continue to meet our policy obligations.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Regards<o:p></o:p></p><p class=MsoPlainText>Robin Alden<o:p></o:p></p><p class=MsoPlainText>Comodo<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>This email has also been posted to <a href="mailto:mozilla-dev-security-policy@lists.mozilla.org">mozilla-dev-security-policy@lists.mozilla.org</a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p></div></body></html>