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Re-enable download protection remote lookups #6267

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fmarier opened this issue Oct 1, 2019 · 2 comments · Fixed by brave/brave-core#6763
Closed

Re-enable download protection remote lookups #6267

fmarier opened this issue Oct 1, 2019 · 2 comments · Fixed by brave/brave-core#6763
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@fmarier
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fmarier commented Oct 1, 2019

In #4341, we disabled download protection entirely due to its leaking URLs to a remote server.

Once we have reduced the metadata sent to the reputation server, we should re-enable this protection in Brave.

Security review: https://github.com/brave/security/issues/180

@fmarier fmarier assigned fmarier and unassigned fmarier Oct 1, 2019
@bsclifton bsclifton added feature/download privacy/feature User-facing privacy- & security-focused feature work. labels Oct 2, 2019
@fmarier fmarier changed the title Enable download protection remote lookups Re-enable download protection remote lookups Nov 27, 2019
@pes10k pes10k added the priority/P2 A bad problem. We might uplift this to the next planned release. label Jun 9, 2020
@fmarier fmarier added this to Untriaged Backlog in Security & Privacy via automation Jun 18, 2020
@fmarier fmarier moved this from Untriaged Backlog to In Progress in Security & Privacy Jun 18, 2020
Security & Privacy automation moved this from In Progress to Completed Oct 19, 2020
@fmarier fmarier added this to the 1.17.x - Nightly milestone Oct 19, 2020
@LaurenWags
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LaurenWags commented Oct 29, 2020

Verified passed with

Brave | 1.17.55 Chromium: 86.0.4240.111 (Official Build) dev (x86_64)
-- | --
Revision | b8c36128a06ebad76af51591bfec980224db5522-refs/branch-heads/4240@{#1290}
OS | macOS Version 10.14.6 (Build 18G6032)

Verified test plan from brave/brave-core#6763

Confirmed files listed in the PR are allowed/blocked as expected:
Screen Shot 2020-10-29 at 7 46 44 AM

Confirmed files from Desktop Download Warnings section of https://testsafebrowsing.appspot.com/ are blocked as expected:
Screen Shot 2020-10-29 at 7 50 42 AM

Ran Fiddler Everywhere while attempting downloads above and confirmed only observed the proxied calls to sb-ssl.brave.com.

Note - on macOS the reasons for blocking file downloads as mentioned under Desktop Download Warnings section don't match. However, the reasons do match what Chrome shows 👍


Verification passed on

Brave 1.17.59 Chromium: 86.0.4240.183 (Official Build) dev (64-bit)
Revision 0b568b034b8f7994697cb341eeca5979b84151cc-refs/branch-heads/4240@{#1374}
OS Ubuntu 18.04 LTS

Verified test plan from brave/brave-core#6763

Confirmed files listed in the PR are allowed/blocked as expected:
image

Confirmed files from Desktop Download Warnings section of https://testsafebrowsing.appspot.com/ are blocked as expected:
image
image

Verified that all the lookups are proxied through sb-ssl.brave.com


Verification passed on

Brave | 1.17.68 Chromium: 87.0.4280.49 (Official Build) (64-bit)
-- | --
Revision | f77f85899646b42a1d3c8ff36794e00becab9171-refs/branch-heads/4280@{#1115}
OS | Windows 10 OS Version 2004 (Build 19041.572)

Verified test plan from brave/brave-core#6763

Confirmed files listed in the PR are allowed/blocked as expected:
image

Confirmed files from Desktop Download Warnings section of https://testsafebrowsing.appspot.com/ are blocked as expected:
image
image
Verified that all the lookups are proxied through sb-ssl.brave.com

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