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Make CSP default-src without 'unsafe-eval' block eval in iframes #24763

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merged 1 commit into from Jul 30, 2020

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@chromium-wpt-export-bot chromium-wpt-export-bot commented Jul 27, 2020

This CL fixes the fallback behaviour of the Content Security Policy
script-src to default-src with regards to blocking eval in iframes
and, under certain conditions, when navigating to a new page.

Bug: 1107824
Change-Id: Ia5cbe82188fde25cec8ccb5a09322e598a419434
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2316105
Commit-Queue: Antonio Sartori <antoniosartori@chromium.org>
Reviewed-by: Mike West <mkwst@chromium.org>
Cr-Commit-Position: refs/heads/master@{#792281}

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The review process for this patch is being conducted in the Chromium project.

This CL fixes the fallback behaviour of the Content Security Policy
script-src to default-src with regards to blocking eval in iframes
and, under certain conditions, when navigating to a new page.

Bug: 1107824
Change-Id: Ia5cbe82188fde25cec8ccb5a09322e598a419434
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2316105
Commit-Queue: Antonio Sartori <antoniosartori@chromium.org>
Reviewed-by: Mike West <mkwst@chromium.org>
Cr-Commit-Position: refs/heads/master@{#792281}
@LukeZielinski
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One of the new tests was flaky on chrome dev:

Unstable results

Test Subtest Results Messages
/content-security-policy/unsafe-eval/eval-in-iframe.html default-src blocks eval unless 'unsafe-eval' is specified. FAIL: 9/10, PASS: 1/10 assert_unreached: Eval code was executed in iframe Reached unreachable code

Unable to reproduce locally with ToT, retrying here.

@LukeZielinski LukeZielinski reopened this Jul 30, 2020
@chromium-wpt-export-bot chromium-wpt-export-bot merged commit a002a1a into master Jul 30, 2020
@chromium-wpt-export-bot chromium-wpt-export-bot deleted the chromium-export-cl-2316105 branch July 30, 2020 18:41
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4 participants