Bug 1479228 (CVE-2017-7808) - CVE-2017-7808 Mozilla: CSP information leak with frame-ancestors containing paths (MFSA 2017-18)
Summary: CVE-2017-7808 Mozilla: CSP information leak with frame-ancestors containing p...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-7808
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1477026
TreeView+ depends on / blocked
 
Reported: 2017-08-08 06:56 UTC by Doran Moppert
Modified: 2021-02-17 01:44 UTC (History)
3 users (show)

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Last Closed: 2017-08-09 01:15:26 UTC


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Description Doran Moppert 2017-08-08 06:56:32 UTC
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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