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home:dirkmueller:acdc:as_python3_module
perl
perl-file_path_rmtree_fchmod.diff
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File perl-file_path_rmtree_fchmod.diff of Package perl
--- cpan/ExtUtils-MakeMaker/t/eu_command.t.orig 2017-07-18 22:59:59.000000000 +0000 +++ cpan/ExtUtils-MakeMaker/t/eu_command.t 2022-09-02 14:13:22.736782886 +0000 @@ -151,19 +151,19 @@ BEGIN { is( ((stat('testdir'))[2] & 07777) & 0700, 0100, 'change a dir to execute-only' ); - # change a dir to read-only - @ARGV = ( '0400', 'testdir' ); + # change a dir to write-only + @ARGV = ( '0200', 'testdir' ); ExtUtils::Command::chmod(); is( ((stat('testdir'))[2] & 07777) & 0700, - 0400, 'change a dir to read-only' ); + 0200, 'change a dir to write-only' ); - # change a dir to write-only - @ARGV = ( '0200', 'testdir' ); + # change a dir to read-only + @ARGV = ( '0400', 'testdir' ); ExtUtils::Command::chmod(); is( ((stat('testdir'))[2] & 07777) & 0700, - 0200, 'change a dir to write-only' ); + 0400, 'change a dir to read-only' ); @ARGV = ('testdir'); rm_rf; --- cpan/File-Path/lib/File/Path.pm.orig 2017-07-18 22:59:59.000000000 +0000 +++ cpan/File-Path/lib/File/Path.pm 2022-09-02 14:09:39.657163146 +0000 @@ -354,21 +354,32 @@ sub _rmtree { # see if we can escalate privileges to get in # (e.g. funny protection mask such as -w- instead of rwx) - $perm &= oct '7777'; - my $nperm = $perm | oct '700'; - if ( - !( - $arg->{safe} - or $nperm == $perm - or chmod( $nperm, $root ) - ) - ) - { - _error( $arg, - "cannot make child directory read-write-exec", $canon ); - next ROOT_DIR; + # This uses fchmod to avoid traversing outside of the proper + # location (CVE-2017-6512) + my $root_fh; + if (open($root_fh, '<', $root)) { + my ($fh_dev, $fh_inode) = (stat $root_fh )[0,1]; + $perm &= oct '7777'; + my $nperm = $perm | oct '700'; + local $@; + if ( + !( + $arg->{safe} + or $nperm == $perm + or !-d _ + or $fh_dev ne $ldev + or $fh_inode ne $lino + or eval { chmod( $nperm, $root_fh ) } + ) + ) + { + _error($arg, + "cannot make child directory read-write-exec", $canon); + next ROOT_DIR; + } + close $root_fh; } - elsif ( !chdir($root) ) { + if ( !chdir($root) ) { _error( $arg, "cannot chdir to child", $canon ); next ROOT_DIR; } --- cpan/File-Path/t/Path.t.orig 2017-07-18 22:59:59.000000000 +0000 +++ cpan/File-Path/t/Path.t 2022-09-02 15:26:48.353242370 +0000 @@ -3,7 +3,7 @@ use strict; -use Test::More tests => 127; +use Test::More tests => 126; use Config; use Fcntl ':mode'; use lib 't/'; @@ -301,13 +301,13 @@ is(rmtree($dir, 0, undef), 1, "removed d $dir = catdir($tmp_base,'G'); $dir = VMS::Filespec::unixify($dir) if $Is_VMS; -@created = mkpath($dir, undef, 0200); +@created = mkpath($dir, undef, 0400); -is(scalar(@created), 1, "created write-only dir"); +is(scalar(@created), 1, "created read-only dir"); -is($created[0], $dir, "created write-only directory cross-check"); +is($created[0], $dir, "created read-only directory cross-check"); -is(rmtree($dir), 1, "removed write-only dir"); +is(rmtree($dir), 1, "removed read-only dir"); # borderline new-style heuristics if (chdir $tmp_base) { @@ -458,11 +458,11 @@ SKIP : { my $mode; my $octal_mode; my @inputs = ( - 0777, 0700, 0070, 0007, - 0333, 0300, 0030, 0003, - 0111, 0100, 0010, 0001, - 0731, 0713, 0317, 0371, 0173, 0137, - 00 ); + 0777, 0700, 0470, 0407, + 0433, 0400, 0430, 0403, + 0111, 0100, 0110, 0101, + 0731, 0713, 0317, 0371, + 0173, 0137); my $input; my $octal_input; $dir = catdir($tmp_base, 'chmod_test'); --- t/porting/customized.dat.orig 2022-09-02 15:10:40.758917198 +0000 +++ t/porting/customized.dat 2022-09-02 15:11:32.822828168 +0000 @@ -1,7 +1,7 @@ Digest cpan/Digest/Digest.pm 43f7f544cb11842b2f55c73e28930da50774e081 Encode cpan/Encode/Unicode/Unicode.pm 9749692c67f7d69083034de9184a93f070ab4799 ExtUtils::Constant cpan/ExtUtils-Constant/t/Constant.t a0369c919e216fb02767a637666bb4577ad79b02 -File::Path cpan/File-Path/lib/File/Path.pm fd8ce4420a0c113d3f47dd3223859743655c1da8 +File::Path cpan/File-Path/lib/File/Path.pm ff1817fcd4f88629e7be620f83cdbc4eaaf9211a File::Path cpan/File-Path/t/Path_win32.t 94b9276557ce7f80b91f6fd9bfa7a0cd9bf9683e JSON::PP cpan/JSON-PP/bin/json_pp a7b8de6c201ef177ee82624ee4ca6a47cc1a3b4f JSON::PP cpan/JSON-PP/lib/JSON/PP.pm 86f697dae482106270fdd659b18c95a54af764ba
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