[Webkit-unassigned] [Bug 165818] New: [Mac][WK2] Tighten Keychain directory access

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=165818

            Bug ID: 165818
           Summary: [Mac][WK2] Tighten Keychain directory access
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bfulgham at webkit.org

The existing Sandbox rules for the various WebKit processes are overly permissive. We should tighten them down to just the handful of operations we really need:

We should limit our access to: file-read-data, file-read-metadata, and file-write-data.

We should also deny access to newer keychains (with UUID-based names) since those are not meant to be used by user processes.

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