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perl-DBI/perl-DBI-CVE-2014-10402.patch

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From 32398bff24f054f4e9b48b97ecb70ce72267296c Mon Sep 17 00:00:00 2001
From: Jens Rehsack <sno@netbsd.org>
Date: Tue, 6 Oct 2020 06:50:37 +0200
Subject: [PATCH 1/3] DBD/File,DBI/DBD/SqlEngine: bump copyright year
Bump copyright years for both since there has been done work in meantime ...
including intended f_dir= fix for CVE-2014-10401
Signed-off-by: Jens Rehsack <sno@netbsd.org>
---
lib/DBD/File.pm | 4 ++--
lib/DBI/DBD/SqlEngine.pm | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/lib/DBD/File.pm b/lib/DBD/File.pm
index dd4312b..fb14e9a 100644
--- a/lib/DBD/File.pm
+++ b/lib/DBD/File.pm
@@ -9,7 +9,7 @@
#
# The original author is Jochen Wiedmann.
#
-# Copyright (C) 2009-2013 by H.Merijn Brand & Jens Rehsack
+# Copyright (C) 2009-2020 by H.Merijn Brand & Jens Rehsack
# Copyright (C) 2004 by Jeff Zucker
# Copyright (C) 1998 by Jochen Wiedmann
#
@@ -1430,7 +1430,7 @@ The original author is Jochen Wiedmann.
=head1 COPYRIGHT AND LICENSE
- Copyright (C) 2009-2013 by H.Merijn Brand & Jens Rehsack
+ Copyright (C) 2009-2020 by H.Merijn Brand & Jens Rehsack
Copyright (C) 2004-2009 by Jeff Zucker
Copyright (C) 1998-2004 by Jochen Wiedmann
diff --git a/lib/DBI/DBD/SqlEngine.pm b/lib/DBI/DBD/SqlEngine.pm
index fb755ab..8e933f7 100644
--- a/lib/DBI/DBD/SqlEngine.pm
+++ b/lib/DBI/DBD/SqlEngine.pm
@@ -9,7 +9,7 @@
#
# The original author is Jochen Wiedmann.
#
-# Copyright (C) 2009-2013 by H.Merijn Brand & Jens Rehsack
+# Copyright (C) 2009-2020 by H.Merijn Brand & Jens Rehsack
# Copyright (C) 2004 by Jeff Zucker
# Copyright (C) 1998 by Jochen Wiedmann
#
@@ -2216,7 +2216,7 @@ The original authors are Jochen Wiedmann and Jeff Zucker.
=head1 COPYRIGHT AND LICENSE
- Copyright (C) 2009-2013 by H.Merijn Brand & Jens Rehsack
+ Copyright (C) 2009-2020 by H.Merijn Brand & Jens Rehsack
Copyright (C) 2004-2009 by Jeff Zucker
Copyright (C) 1998-2004 by Jochen Wiedmann
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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