From 7a37a7c0c8dfece51bb7fdcb171d74ab04ef2736 Mon Sep 17 00:00:00 2001 From: Georgi Kodinov Date: Tue, 15 Mar 2011 13:19:30 +0200 Subject: Bug #11765023: 57934: DOS POSSIBLE SINCE BINARY CASTING DOESN'T ADHERE TO MAX_ALLOWED_PACKET Added a check for max_packet_length in CONVERT(, BINARY|CHAR). Added a test case. --- mysql-test/r/cast.result | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'mysql-test/r/cast.result') diff --git a/mysql-test/r/cast.result b/mysql-test/r/cast.result index dd61396e485..974a6bee63f 100644 --- a/mysql-test/r/cast.result +++ b/mysql-test/r/cast.result @@ -451,4 +451,19 @@ SELECT CONVERT(t2.a USING UTF8) FROM t1, t1 t2 LIMIT 1 1 1 DROP TABLE t1; +# +# Bug #11765023: 57934: DOS POSSIBLE SINCE BINARY CASTING +# DOESN'T ADHERE TO MAX_ALLOWED_PACKET +SET @@GLOBAL.max_allowed_packet=2048; +SELECT CONVERT('a', BINARY(2049)); +CONVERT('a', BINARY(2049)) +NULL +Warnings: +Warning 1301 Result of cast_as_binary() was larger than max_allowed_packet (2048) - truncated +SELECT CONVERT('a', CHAR(2049)); +CONVERT('a', CHAR(2049)) +NULL +Warnings: +Warning 1301 Result of cast_as_char() was larger than max_allowed_packet (2048) - truncated +SET @@GLOBAL.max_allowed_packet=default; End of 5.1 tests -- cgit v1.2.1