From a72262a950aa701cebe460e2a3a7586edecd86be Mon Sep 17 00:00:00 2001 From: David Cook Date: Mon, 13 Jul 2015 14:06:46 +1000 Subject: [PATCH] Bug 14521: SQL injection in local use system preferences This patch fixes a SQL injection vulnerability in the local use system preferences. _TEST PLAN_ Before applying: 1) Go to Global System Preferences 2) Click on the "Local use" tab 3) Add a new preference with the value "') or '1' = '1' -- " (be sure to include the space at the end after the comment --). 4) When the page refreshes, you should now see about 99 other system preferences which shouldn't be showing up. 5) Apply the patch 6) Refresh the page 7) Note that you now only see a system preference for "') or '1' = '1' -- " and the other actual local use system preferences. Signed-off-by: Chris Cormack Signed-off-by: Jonathan Druart Signed-off-by: Tomas Cohen Arazi --- admin/systempreferences.pl | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/admin/systempreferences.pl b/admin/systempreferences.pl index 68bff18916..1c3dd41ed2 100755 --- a/admin/systempreferences.pl +++ b/admin/systempreferences.pl @@ -70,14 +70,16 @@ sub StringSearch { my $strsth = "Select variable,value,explanation,type,options from systempreferences where variable in ("; my $first = 1; + my @sql_bind; for my $name ( get_local_prefs() ) { $strsth .= ',' unless $first; - $strsth .= "'$name'"; + $strsth .= "?"; + push(@sql_bind,$name); $first = 0; } $strsth .= ") order by variable"; $sth = $dbh->prepare($strsth); - $sth->execute(); + $sth->execute(@sql_bind); while ( my $data = $sth->fetchrow_hashref ) { unless (defined $data->{value}) { $data->{value} = "";} -- 2.20.1