Qualys Flags Cookie Security Issues in Web Apps
Qualys Web Application Scanning has flagged several security issues involving cookies set over HTTPS without the 'secure' attribute. This oversight can expose sensitive data to network sniffing. The tool reports QIDs 150122, 150120, and 150161, highlighting the importance of proper cookie configuration.
Cookies are essential for web applications, but they must be handled securely. The 'secure' attribute ensures cookies are only sent over encrypted (HTTPS) connections, protecting them from network eavesdropping. Qualys' tool flags cookies lacking this attribute, including standard cookies (QID 150122), authentication-related session cookies (QID 150120), and common session cookies like JSESSIONID, ASP.NET_SessionId, and PHPSESSID (QID 150161).
To mitigate these risks, developers should set the 'secure' attribute when using PHP's setcookie() function. This can be done by passing '1' as the sixth argument. Not all cookies need this attribute; non-sensitive cookies like language preference settings can be safely set without it.
Qualys Web Application Scanning helps organizations identify and address cookie security issues. By flagging cookies set over HTTPS without the 'secure' attribute, it enables swift action to prevent potential session hijacking and unauthorized access. Qualys also provides resources to assist with EU and UK cookie regulation compliance.
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