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perl-DBI
perl-DBI-CVE-2014-10402.patch
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File perl-DBI-CVE-2014-10402.patch of Package perl-DBI
From 27b10b5c3aacabc091046beaba478e671bb6111c Mon Sep 17 00:00:00 2001 From: Jens Rehsack <sno@netbsd.org> Date: Tue, 6 Oct 2020 08:23:55 +0200 Subject: [PATCH 2/3] t/51dbm_file.t: add test from RT#99508 Add test with f_dir="something-not-existing" as reported in RT#99508 to verify when it's fixed for real. Signed-off-by: Jens Rehsack <sno@netbsd.org> --- t/51dbm_file.t | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/t/51dbm_file.t b/t/51dbm_file.t index d9824cf..686a3d2 100644 --- a/t/51dbm_file.t +++ b/t/51dbm_file.t @@ -15,6 +15,27 @@ use DBI; do "./t/lib.pl"; +{ + # test issue reported in RT#99508 + my @msg; + eval { + local $SIG{__DIE__} = sub { push @msg, @_ }; + my $dbh = DBI->connect ("dbi:DBM:f_dir=./hopefully-doesnt-existst;sql_identifier_case=1;RaiseError=1"); + }; + like ("@msg", qr{.*hopefully-doesnt-existst.*}, "Cannot open from non-existing directory with attributes in DSN"); + + @msg = (); + eval { + local $SIG{__DIE__} = sub { push @msg, @_ }; + my $dbh = DBI->connect ("dbi:DBM:", , undef, undef, { + f_dir => "./hopefully-doesnt-existst", + sql_identifier_case => 1, + RaiseError => 1, + }); + }; + like ("@msg", qr{.*hopefully-doesnt-existst}, "Cannot open from non-existing directory with attributes in HASH"); +} + my $dir = test_dir(); my $dbh = DBI->connect( 'dbi:DBM:', undef, undef, { @@ -23,6 +44,8 @@ my $dbh = DBI->connect( 'dbi:DBM:', undef, undef, { } ); +ok( $dbh, "Connect with driver attributes in hash" ); + ok( $dbh->do(q/drop table if exists FRED/), 'drop table' ); my $dirfext = $^O eq 'VMS' ? '.sdbm_dir' : '.dir'; From 19d0fb169eed475e1c053e99036b8668625cfa94 Mon Sep 17 00:00:00 2001 From: Jens Rehsack <sno@netbsd.org> Date: Tue, 6 Oct 2020 10:22:17 +0200 Subject: [PATCH 3/3] lib/DBD/File.pm: fix CVE-2014-10401 Dig into the root cause of RT#99508 - which resulted in CVE-2014-10401 - and figure out that DBI->parse_dsn is the wrong helper to parse our attributes in DSN, since in DBD::dr::connect only the "dbname" remains from DSN which causes parse_dsn to bailout. Parsing on our own similar to parse_dsn shows the way out. Signed-off-by: Jens Rehsack <sno@netbsd.org> --- lib/DBD/File.pm | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/lib/DBD/File.pm b/lib/DBD/File.pm index fb14e9a..f55076f 100644 --- a/lib/DBD/File.pm +++ b/lib/DBD/File.pm @@ -109,7 +109,11 @@ sub connect # We do not (yet) care about conflicting attributes here # my $dbh = DBI->connect ("dbi:CSV:f_dir=test", undef, undef, { f_dir => "text" }); # will test here that both test and text should exist - if (my $attr_hash = (DBI->parse_dsn ($dbname))[3]) { + # + # Parsing on our own similar to parse_dsn to find attributes in 'dbname' parameter. + if ($dbname) { + my @attrs = split /;/ => $dbname; + my $attr_hash = { map { split /\s*=>?\s*|\s*,\s*/, $_} @attrs }; if (defined $attr_hash->{f_dir} && ! -d $attr_hash->{f_dir}) { my $msg = "No such directory '$attr_hash->{f_dir}"; $drh->set_err (2, $msg); @@ -120,7 +124,6 @@ sub connect if ($attr and defined $attr->{f_dir} && ! -d $attr->{f_dir}) { my $msg = "No such directory '$attr->{f_dir}"; $drh->set_err (2, $msg); - $attr->{RaiseError} and croak $msg; return; } From c71b64a678bcd708c7b75ee2bef5a360c836444c Mon Sep 17 00:00:00 2001 From: "H.Merijn Brand - Tux" <linux@tux.freedom.nl> Date: Wed, 28 Oct 2020 15:57:17 +0100 Subject: [PATCH] Document the new behavior for f_dir These changes also warrant a version increase --- lib/DBD/File.pm | 5 +++++ 3 files changed, 7 insertions(+), 2 deletions(-) diff --git a/lib/DBD/File.pm b/lib/DBD/File.pm index baffefa..afbff26 100644 --- a/lib/DBD/File.pm +++ b/lib/DBD/File.pm @@ -1062,6 +1062,11 @@ directory) when the dbh attribute is set. f_dir => "/data/foo/csv", +If C<f_dir> is set to a non-existing location, the connection will fail. +See CVE-2014-10401 for reasoning. Because of this, folders to use cannot +be created after the connection, but must exist before the connection is +initiated. + See L<KNOWN BUGS AND LIMITATIONS>. =head4 f_dir_search From 89f0d4cd38b83f0ee426a5fdf7d1ad5ea371c883 Mon Sep 17 00:00:00 2001 From: "H.Merijn Brand - Tux" <linux@tux.freedom.nl> Date: Wed, 28 Oct 2020 15:03:48 +0100 Subject: [PATCH] Fix for empty attributes in DSN dbm_type=SDBM_File;dbm_mldbm=;f_lockfile=.lck' ^ would result in Odd number of elements in anonymous hash --- lib/DBD/File.pm | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/DBD/File.pm b/lib/DBD/File.pm index f55076f..baffefa 100644 --- a/lib/DBD/File.pm +++ b/lib/DBD/File.pm @@ -112,8 +112,9 @@ sub connect # # Parsing on our own similar to parse_dsn to find attributes in 'dbname' parameter. if ($dbname) { - my @attrs = split /;/ => $dbname; - my $attr_hash = { map { split /\s*=>?\s*|\s*,\s*/, $_} @attrs }; + my $attr_hash = { + map { (m/^\s* (\S+) \s*(?: =>? | , )\s* (\S*) \s*$/x) } + split m/;/ => $dbname }; if (defined $attr_hash->{f_dir} && ! -d $attr_hash->{f_dir}) { my $msg = "No such directory '$attr_hash->{f_dir}"; $drh->set_err (2, $msg); From 2eda0ec996d0a9357885acd442c72ac206adb7b3 Mon Sep 17 00:00:00 2001 From: "H.Merijn Brand - Tux" <linux@tux.freedom.nl> Date: Wed, 28 Oct 2020 15:09:01 +0100 Subject: [PATCH] Catch warning --- t/51dbm_file.t | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/t/51dbm_file.t b/t/51dbm_file.t index 686a3d2..0ae910c 100644 --- a/t/51dbm_file.t +++ b/t/51dbm_file.t @@ -18,21 +18,25 @@ do "./t/lib.pl"; { # test issue reported in RT#99508 my @msg; - eval { - local $SIG{__DIE__} = sub { push @msg, @_ }; - my $dbh = DBI->connect ("dbi:DBM:f_dir=./hopefully-doesnt-existst;sql_identifier_case=1;RaiseError=1"); + my $dbh = eval { + local $SIG{__WARN__} = sub { push @msg, @_ }; + local $SIG{__DIE__} = sub { push @msg, @_ }; + DBI->connect ("dbi:DBM:f_dir=./hopefully-doesnt-existst;sql_identifier_case=1;RaiseError=1"); }; + is ($dbh, undef, "Connect failed"); like ("@msg", qr{.*hopefully-doesnt-existst.*}, "Cannot open from non-existing directory with attributes in DSN"); @msg = (); - eval { - local $SIG{__DIE__} = sub { push @msg, @_ }; - my $dbh = DBI->connect ("dbi:DBM:", , undef, undef, { + $dbh = eval { + local $SIG{__WARN__} = sub { push @msg, @_ }; + local $SIG{__DIE__} = sub { push @msg, @_ }; + DBI->connect ("dbi:DBM:", , undef, undef, { f_dir => "./hopefully-doesnt-existst", sql_identifier_case => 1, RaiseError => 1, }); }; + is ($dbh, undef, "Connect failed"); like ("@msg", qr{.*hopefully-doesnt-existst}, "Cannot open from non-existing directory with attributes in HASH"); }
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