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SG0008.htm
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<!DOCTYPE html>
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<head>
<title>The cookie is missing security flag Secure - Roslyn Security Guard</title>
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<h2>The cookie is missing security flag Secure</h2>
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<p>
It is recommended to specify the Secure flag to new cookie.
</p>
<h3>Risk</h3>
<p>
The Secure flag is a directive to the browser to make sure that the cookie is not sent for insecure communication (http://).
</p>
<h3>Vulnerable Code</h3>
<pre>
var cookie = new HttpCookie("test");
</pre>
<h3>Solution</h3>
<pre>
<httpCookies requireSSL="true" [..] />
</pre>
<pre>
var cookie = new HttpCookie("test");
cookie.Secure = true; //Add this flag
cookie.HttpOnly = true;
</pre>
<h3>References</h3>
<p>
<a href="https://cwe.mitre.org/data/definitions/614.html">CWE-614: Sensitive Cookie in HTTPS Session Without 'Secure' Attribute</a><br />
<a href="https://cwe.mitre.org/data/definitions/315.html">CWE-315: Cleartext Storage of Sensitive Information in a Cookie</a><br />
<a href="https://cwe.mitre.org/data/definitions/311.html">CWE-311: Missing Encryption of Sensitive Data</a><br />
<a href="https://www.owasp.org/index.php/SecureFlag">OWASP: Secure Flag</a><br />
<a href="https://www.rapid7.com/db/vulnerabilities/http-cookie-secure-flag">Rapid7: Missing Secure Flag From SSL Cookie</a>
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