Bug 1479228 - (CVE-2017-7808) CVE-2017-7808 Mozilla: CSP information leak with frame-ancestors containing paths (MFSA 2017-18)
CVE-2017-7808 Mozilla: CSP information leak with frame-ancestors containing p...
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20170808,repor...
: Security
Depends On:
Blocks: 1477026
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Reported: 2017-08-08 02:56 EDT by Doran Moppert
Modified: 2017-08-24 03:36 EDT (History)
3 users (show)

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Last Closed: 2017-08-08 21:15:26 EDT
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Description Doran Moppert 2017-08-08 02:56:32 EDT
A content security policy (CSP) with a directive containing origins with paths in frame-ancestors allows for comparisons against those paths instead of the origin. This results in a cross-origin information leak of this path information.


External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7808


Acknowledgements:

Name: the Mozilla project
Upstream: Jun Kokatsu

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