Add "object-src 'none'" to the Content-Security-Policy
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Authored by epriestley on Feb 28 2018, 10:17 PM.

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Reviewers: None
Maniphest Tasks: T4340: Implement Content-Security-Policy and Strict-Transport-Security headers
Commits: rPa5efd7eedb3c: Add "object-src 'none'" to the Content-Security-Policy

Summary

See PHI399. Ref T4340. We don't require Flash/Java anywhere and can safely block them unconditionally in the Content-Security-Policy header.

Test Plan

Added a <object ... /> tag to a page, saw "Blocked Plug-In" and a CSP warning in the browser console.

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Event Timeline

epriestley created this revision.Feb 28 2018, 10:17 PM

Harbormaster completed remote builds in B19696: Diff 45885.Feb 28 2018, 10:18 PM

epriestley requested review of this revision.Feb 28 2018, 10:18 PM

epriestley added a child revision: D19155: Remove defunct "download" route in Files pointing to nonexistent controller.Feb 28 2018, 11:21 PM

This revision was not accepted when it landed; it landed in state Needs Review.Mar 1 2018, 1:19 AM

Closed by commit rPa5efd7eedb3c: Add "object-src 'none'" to the Content-Security-Policy (authored by epriestley). · Explain Why

This revision was automatically updated to reflect the committed changes.

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src/

aphront/

response/

AphrontResponse.php

3 lines

Diff 45889

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src/aphront/response/AphrontResponse.php

Add "object-src 'none'" to the Content-Security-PolicyClosedPublicActions