BigW Consortium Gitlab

Commit 248e14ea by James Edwards-Jones

Merge branch 'import-symlinks-9-2' into 'security-9-2'

Fix file disclosure via hidden symlinks using the project import (9.2) See merge request !2163
parent 23ba6c72
---
title: Remove hidden symlinks from project import files
merge_request:
author:
...@@ -47,12 +47,16 @@ module Gitlab ...@@ -47,12 +47,16 @@ module Gitlab
end end
def remove_symlinks! def remove_symlinks!
Dir["#{@shared.export_path}/**/*"].each do |path| extracted_files.each do |path|
FileUtils.rm(path) if File.lstat(path).symlink? FileUtils.rm(path) if File.lstat(path).symlink?
end end
true true
end end
def extracted_files
Dir.glob("#{@shared.export_path}/**/*", File::FNM_DOTMATCH).reject { |f| f =~ /.*\/\.{1,2}$/ }
end
end end
end end
end end
...@@ -5,6 +5,7 @@ describe Gitlab::ImportExport::FileImporter, lib: true do ...@@ -5,6 +5,7 @@ describe Gitlab::ImportExport::FileImporter, lib: true do
let(:export_path) { "#{Dir.tmpdir}/file_importer_spec" } let(:export_path) { "#{Dir.tmpdir}/file_importer_spec" }
let(:valid_file) { "#{shared.export_path}/valid.json" } let(:valid_file) { "#{shared.export_path}/valid.json" }
let(:symlink_file) { "#{shared.export_path}/invalid.json" } let(:symlink_file) { "#{shared.export_path}/invalid.json" }
let(:hidden_symlink_file) { "#{shared.export_path}/.hidden" }
let(:subfolder_symlink_file) { "#{shared.export_path}/subfolder/invalid.json" } let(:subfolder_symlink_file) { "#{shared.export_path}/subfolder/invalid.json" }
before do before do
...@@ -25,6 +26,10 @@ describe Gitlab::ImportExport::FileImporter, lib: true do ...@@ -25,6 +26,10 @@ describe Gitlab::ImportExport::FileImporter, lib: true do
expect(File.exist?(symlink_file)).to be false expect(File.exist?(symlink_file)).to be false
end end
it 'removes hidden symlinks in root folder' do
expect(File.exist?(hidden_symlink_file)).to be false
end
it 'removes symlinks in subfolders' do it 'removes symlinks in subfolders' do
expect(File.exist?(subfolder_symlink_file)).to be false expect(File.exist?(subfolder_symlink_file)).to be false
end end
......
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