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author | GitLab Release Tools Bot <robert+release-tools@gitlab.com> | 2019-11-26 17:03:30 +0000 |
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committer | GitLab Release Tools Bot <robert+release-tools@gitlab.com> | 2019-11-26 17:03:30 +0000 |
commit | 1fdceefabdb551523502dd79dc0e0eb67e96e520 (patch) | |
tree | 63ea64343cf52e9f79dcbf6e602373b6abf14873 | |
parent | 17f98469c5c9fe5dcd38e4a2fc42587793abe739 (diff) | |
parent | 0159e0041cc7f0b0543e10e9cfc0cd97d669c361 (diff) | |
download | gitlab-ce-1fdceefabdb551523502dd79dc0e0eb67e96e520.tar.gz |
Merge branch 'security-dos-issue-and-commit-comments-12-3' into '12-3-stable'
Fix invalid byte sequence
See merge request gitlab/gitlabhq!3549
-rw-r--r-- | changelogs/unreleased/security-dos-issue-and-commit-comments-master.yml | 5 | ||||
-rw-r--r-- | lib/banzai/filter/relative_link_filter.rb | 2 | ||||
-rw-r--r-- | spec/lib/banzai/filter/relative_link_filter_spec.rb | 5 |
3 files changed, 11 insertions, 1 deletions
diff --git a/changelogs/unreleased/security-dos-issue-and-commit-comments-master.yml b/changelogs/unreleased/security-dos-issue-and-commit-comments-master.yml new file mode 100644 index 00000000000..c84cebdcca0 --- /dev/null +++ b/changelogs/unreleased/security-dos-issue-and-commit-comments-master.yml @@ -0,0 +1,5 @@ +--- +title: Fix 500 error caused by invalid byte sequences in links +merge_request: +author: +type: security diff --git a/lib/banzai/filter/relative_link_filter.rb b/lib/banzai/filter/relative_link_filter.rb index e8001889ca3..f7311d52636 100644 --- a/lib/banzai/filter/relative_link_filter.rb +++ b/lib/banzai/filter/relative_link_filter.rb @@ -103,7 +103,7 @@ module Banzai end def relative_file_path(uri) - path = Addressable::URI.unescape(uri.path).delete("\0") + path = Addressable::URI.unescape(uri.path).scrub.delete("\0") request_path = Addressable::URI.unescape(context[:requested_path]) nested_path = build_relative_path(path, request_path) file_exists?(nested_path) ? nested_path : path diff --git a/spec/lib/banzai/filter/relative_link_filter_spec.rb b/spec/lib/banzai/filter/relative_link_filter_spec.rb index f8b3748c663..d842e4f13a2 100644 --- a/spec/lib/banzai/filter/relative_link_filter_spec.rb +++ b/spec/lib/banzai/filter/relative_link_filter_spec.rb @@ -87,6 +87,11 @@ describe Banzai::Filter::RelativeLinkFilter do expect { filter(act) }.not_to raise_error end + it 'does not raise an exception on URIs containing invalid utf-8 byte sequences' do + act = link("%FF") + expect { filter(act) }.not_to raise_error + end + it 'does not raise an exception with a garbled path' do act = link("open(/var/tmp/):%20/location%0Afrom:%20/test") expect { filter(act) }.not_to raise_error |