CVE-2017-7788

critical

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.

References

http://www.securityfocus.com/bid/100379

http://www.securitytracker.com/id/1039124

https://bugzilla.mozilla.org/show_bug.cgi?id=1073952

https://www.mozilla.org/security/advisories/mfsa2017-18/

Details

Source: MITRE

Published: 2018-06-11

Updated: 2018-08-09

Type: CWE-74

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL