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U:RDoc::AnyMethod[iI"remove_entry_secure:EFI""FileUtils#remove_entry_secure;TF: privateo:RDoc::Markup::Document: @parts[o: RDoc::Markup::Paragraph; [ I"HThis method removes a file system entry +path+. +path+ shall be a ;TI"Iregular file, a directory, or something. If +path+ is a directory, ;TI"Fremove it recursively. This method is required to avoid TOCTTOU ;TI"K(time-of-check-to-time-of-use) local security vulnerability of #rm_r. ;TI"%#rm_r causes security hole when:;To: RDoc::Markup::BlankLine o:RDoc::Markup::List: @type: BULLET: @items[o:RDoc::Markup::ListItem: @label0; [o; ; [I"9Parent directory is world writable (including /tmp).;To;;0; [o; ; [I"?Removing directory tree includes world writable directory.;To;;0; [o; ; [I""The system has symbolic link.;T@o; ; [ I"JTo avoid this security hole, this method applies special preprocess. ;TI"EIf +path+ is a directory, this method chown(2) and chmod(2) all ;TI"Eremoving directories. This requires the current process is the ;TI"Mowner of the removing whole directory tree, or is the super user (root).;T@o; ; [ I"FWARNING: You must ensure that *ALL* parent directories cannot be ;TI"Fmoved by other untrusted users. For example, parent directories ;TI"Eshould not be owned by untrusted users, and should not be world ;TI"-writable except when the sticky bit set.;T@o; ; [I"KWARNING: Only the owner of the removing directory tree, or Unix super ;TI"Luser (root) should invoke this method. Otherwise this method does not ;TI" work.;T@o; ; [I"AFor details of this security vulnerability, see Perl's case:;T@o; ; ;;[o;;0; [o; ; [I"Dhttp://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0448;To;;0; [o; ; [I"Dhttp://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0452;T@o; ; [I"JFor fileutils.rb, this vulnerability is reported in [ruby-dev:26100].;T: @fileI"lib/fileutils.rb;T:0@omit_headings_from_table_of_contents_below000[ I"(path, force = false);T@GFI"FileUtils;FcRDoc::NormalModule00
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