Merge branch 'security-open-redirect-internalredirect-12-3' into '12-3-stable'

Use the '\A' and '\z' regex anchors in `InternalRedirect` to mitigate an Open Redirect issue.

See merge request gitlab/gitlabhq!3475

1 files changed, 1 insertions, 1 deletions

diff --git a/app/controllers/concerns/internal_redirect.rb b/app/controllers/concerns/internal_redirect.rb
index 99bbfd56516..a35bc19aa37 100644
--- a/app/controllers/concerns/internal_redirect.rb
+++ b/app/controllers/concerns/internal_redirect.rb
@@ -6,7 +6,7 @@ module InternalRedirect
   def safe_redirect_path(path)
     return unless path
     # Verify that the string starts with a `/` and a known route character.
-    return unless path =~ %r{^/[-\w].*$}
+    return unless path =~ %r{\A/[-\w].*\z}
 
     uri = URI(path)
     # Ignore anything path of the redirect except for the path, querystring and,