fix bug #54374, bug #55500 - filter file names better, no dangling [s

This commit is contained in:
Stanislav Malyshev 2012-01-01 23:54:25 +00:00
parent 0fdbefa430
commit 2a687aed1a
3 changed files with 80 additions and 3 deletions

6
NEWS
View File

@ -5,6 +5,12 @@ PHP NEWS
. Fixed bug #60613 (Segmentation fault with $cls->{expr}() syntax). (Dmitry)
. Fixed bug #60611 (Segmentation fault with Cls::{expr}() syntax). (Laruence)
- SAPI:
. Fixed bug #54374 (Insufficient validating of upload name leading to
corrupted $_FILES indices). (Stas, lekensteyn at gmail dot com)
. Fixed bug #55500 (Corrupted $_FILES indices lead to security concern).
(Stas)
- CLI SAPI:
. Fixed bug #60591 (Memory leak when access a non-exists file). (Laruence)

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@ -556,7 +556,7 @@ static char *php_ap_basename(const zend_encoding *encoding, char *path TSRMLS_DC
{
char *s = strrchr(path, '\\');
char *s2 = strrchr(path, '/');
if (s && s2) {
if (s > s2) {
++s;
@ -942,6 +942,10 @@ SAPI_API SAPI_POST_HANDLER_FUNC(rfc1867_post_handler) /* {{{ */
}
tmp++;
}
/* Brackets should always be closed */
if(c != 0) {
skip_upload = 1;
}
}
total_bytes = cancel_upload = 0;
@ -977,7 +981,7 @@ SAPI_API SAPI_POST_HANDLER_FUNC(rfc1867_post_handler) /* {{{ */
offset = 0;
end = 0;
if (!cancel_upload) {
/* only bother to open temp file if we have data */
blen = multipart_buffer_read(mbuff, buff, sizeof(buff), &end TSRMLS_CC);
@ -1275,7 +1279,7 @@ SAPI_API void php_rfc1867_set_multibyte_callbacks(
php_rfc1867_getword = getword;
php_rfc1867_getword_conf = getword_conf;
php_rfc1867_basename = basename;
}
}
/* }}} */
/*

67
tests/basic/bug55500.phpt Normal file
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@ -0,0 +1,67 @@
--TEST--
Bug #55500 (Corrupted $_FILES indices lead to security concern)
--INI--
file_uploads=1
error_reporting=E_ALL&~E_NOTICE
upload_max_filesize=1024
--POST_RAW--
Content-Type: multipart/form-data; boundary=---------------------------20896060251896012921717172737
-----------------------------20896060251896012921717172737
Content-Disposition: form-data; name="file[]"; filename="file1.txt"
Content-Type: text/plain-file1
1
-----------------------------20896060251896012921717172737
Content-Disposition: form-data; name="file[[type]"; filename="file2.txt"
Content-Type: text/plain-file2
2
-----------------------------20896060251896012921717172737
Content-Disposition: form-data; name="file[[name]"; filename="file3.txt"
Content-Type: text/plain-file3
3
-----------------------------20896060251896012921717172737
Content-Disposition: form-data; name="file[name]["; filename="file4.txt"
Content-Type: text/plain-file3
4
-----------------------------20896060251896012921717172737--
--FILE--
<?php
var_dump($_FILES);
var_dump($_POST);
?>
--EXPECTF--
array(1) {
[%u|b%"file"]=>
array(5) {
[%u|b%"name"]=>
array(1) {
[0]=>
%unicode|string%(9) "file1.txt"
}
[%u|b%"type"]=>
array(1) {
[0]=>
%unicode|string%(16) "text/plain-file1"
}
[%u|b%"tmp_name"]=>
array(1) {
[0]=>
%unicode|string%(%d) "%s"
}
[%u|b%"error"]=>
array(1) {
[0]=>
int(0)
}
[%u|b%"size"]=>
array(1) {
[0]=>
int(1)
}
}
}
array(0) {
}