Bug 1479207 - (CVE-2017-7788) CVE-2017-7788 Mozilla: Sandboxed about:srcdoc frames do not inherit CSP directives (MFSA 2017-18)
CVE-2017-7788 Mozilla: Sandboxed about:srcdoc frames do not inherit CSP direc...
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20170808,reported=2...
: Security
Depends On:
Blocks: 1477026
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Reported: 2017-08-08 02:42 EDT by Doran Moppert
Modified: 2017-08-24 03:34 EDT (History)
3 users (show)

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Last Closed: 2017-08-08 21:14:36 EDT
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Description Doran Moppert 2017-08-08 02:42:58 EDT
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`.


External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7788


Acknowledgements:

Name: the Mozilla project
Upstream: Muneaki Nishimura

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