com php-src: Fix bug #67397 (Buffer overflow in locale_get_ display_name->uloc_getDisplayName (libicu 4.8 .1)): ext/intl/locale/locale_methods.c
ext/in tl/tests/bug67397.phpt

Commit: e644aad3f9138bbb2e77520f033ba902f236b8b5 Author: Stanislav Malyshev <stas@php.net> Sun, 8 Jun 2014 13:44:40 -0700 Parents: 8ab4e2e90de44db0ee56b53e956b2b23f3c1cfa8 Branches: PHP-5.3 Link: http://git.php.net/?p=php-src.git;a=commitdiff;h=e644aad3f9138bbb2e77520f033ba902f236b8b5 Log: Fix bug #67397 (Buffer overflow in locale_get_display_name->uloc_getDisplayName (libicu 4.8.1)) Bugs: https://bugs.php.net/67397 Changed paths: M ext/intl/locale/locale_methods.c A ext/intl/tests/bug67397.phpt Diff: diff --git a/ext/intl/locale/locale_methods.c b/ext/intl/locale/locale_methods.c index 0afbba2..881e356 100644 --- a/ext/intl/locale/locale_methods.c +++ b/ext/intl/locale/locale_methods.c @@ -497,8 +497,16 @@ static void get_icu_disp_value_src_php( char* tag_name, INTERNAL_FUNCTION_PARAME RETURN_FALSE; } + if(loc_name_len > ULOC_FULLNAME_CAPACITY) { + /* See bug 67397: overlong locale names cause trouble in uloc_getDisplayName */ + spprintf(&msg , 0, "locale_get_display_%s : name too long", tag_name ); + intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR, msg , 1 TSRMLS_CC ); + efree(msg); + RETURN_FALSE; + } + if(loc_name_len == 0) { - loc_name = INTL_G(default_locale); + loc_name = INTL_G(default_locale); } if( strcmp(tag_name, DISP_NAME) != 0 ){ diff --git a/ext/intl/tests/bug67397.phpt b/ext/intl/tests/bug67397.phpt new file mode 100644 index 0000000..b2b2911 --- /dev/null +++ b/ext/intl/tests/bug67397.phpt @@ -0,0 +1,21 @@ +--TEST-- +Bug #67397 (Buffer overflow in locale_get_display_name->uloc_getDisplayName (libicu 4.8.1)) +--SKIPIF-- +<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?> +--FILE-- +<?php + +function ut_main() +{ + $ret = var_export(ut_loc_get_display_name(str_repeat('*', 256), 'en_us'), true); + $ret .= "\n"; + $ret .= var_export(intl_get_error_message(), true); + return $ret; +} + +include_once( 'ut_common.inc' ); +ut_run(); +?> +--EXPECTF-- +false +'locale_get_display_name : name too long: U_ILLEGAL_ARGUMENT_ERROR'