Vulnerability Description
When an "iframe" has a "sandbox" attribute and its content is specified using "srcdoc", that content does not inherit the containing page's Content Security Policy (CSP) as it should unless the sandbox attribute included "allow-same-origin". This vulnerability affects Firefox < 55.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 55.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/100379Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039124Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1073952ExploitIssue TrackingVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
- http://www.securityfocus.com/bid/100379Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039124Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1073952ExploitIssue TrackingVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
FAQ
What is CVE-2017-7788?
CVE-2017-7788 is a vulnerability with a CVSS score of 9.8 (CRITICAL). When an "iframe" has a "sandbox" attribute and its content is specified using "srcdoc", that content does not inherit the containing page's Content Security Policy (CSP) as it should unless the sandbo...
How severe is CVE-2017-7788?
CVE-2017-7788 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-7788?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.