Bugzilla – Attachment 166632 Details for
Bug 36520
SQL Injection in opac-sendbasket.pl (CVE-2024-36058)
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[patch]
[ALTERNATIVE PATCH] Bug 36520: Prevent SQL injection in GetPreparedLetter
Bug-36520-Prevent-SQL-injection-in-GetPreparedLett.patch (text/plain), 1.90 KB, created by
Jonathan Druart
on 2024-05-13 12:50:06 UTC
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Description:
[ALTERNATIVE PATCH] Bug 36520: Prevent SQL injection in GetPreparedLetter
Filename:
MIME Type:
Creator:
Jonathan Druart
Created:
2024-05-13 12:50:06 UTC
Size:
1.90 KB
patch
obsolete
>From af3e9a68d2ee496b84fb88a0a79c15332bb77470 Mon Sep 17 00:00:00 2001 >From: Jonathan Druart <jonathan.druart@bugs.koha-community.org> >Date: Mon, 13 May 2024 14:47:28 +0200 >Subject: [PATCH] Bug 36520: Prevent SQL injection in GetPreparedLetter > >Actually in _get_tt_params > >The following query will delay the response > >SELECT `me`.`biblionumber`, `me`.`frameworkcode`, `me`.`author`, `me`.`title`, `me`.`medium`, `me`.`subtitle`, `me`.`part_number`, `me`.`part_name`, `me`.`unititle`, `me`.`notes`, `me`.`serial`, `me`.`seriestitle` >, `me`.`copyrightdate`, `me`.`timestamp`, `me`.`datecreated`, `me`.`abstract` > FROM `biblio` `me` >WHERE `biblionumber` = '1) AND (SELECT 1 FROM (SELECT(SLEEP(6)))x)-- -' >ORDER BY field( biblionumber, 1 ) AND ( > SELECT 1 > FROM > SELECT SLEEP( 6 ) x > ) -- - ) > >Note that those queries are run inside a transaction and thus it would >not be possible to run a bad (stateful) query. >--- > C4/Letters.pm | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > >diff --git a/C4/Letters.pm b/C4/Letters.pm >index dfb7b786940..0233c33aa45 100644 >--- a/C4/Letters.pm >+++ b/C4/Letters.pm >@@ -1890,6 +1890,7 @@ sub _get_tt_params { > }, > }; > >+ my $dbh = C4::Context->dbh; > foreach my $table ( keys %$tables ) { > next unless $config->{$table}; > >@@ -1915,7 +1916,7 @@ sub _get_tt_params { > # field is a MySQLism, but they are no other way to do it > # To be generic we could do it in perl, but we will need to fetch > # all the data then order them >- @$values ? ( order_by => \[ "field($key, " . join( ', ', @$values ) . ")" ] ) : () >+ @$values ? ( order_by => \[ sprintf "field(%s, %s)", $dbh->quote($key), join( ', ', @$values ) ] ) : () > } > ); > $params->{ $config->{$table}->{plural} } = $objects; >-- >2.34.1
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