Update versions for PHP 7.2.33

We have to check for NUL bytes if `getimagesize()` has been called.

NEWS

@@ -1,6 +1,62 @@
 PHP                                                                        NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
-?? ??? 2019, PHP 7.2.27
+06 Aug 2020, PHP 7.2.33
+
+- Core:
+  . Fixed bug #79877 (getimagesize function silently truncates after a null 
+    byte) (cmb)
+
+- Phar:
+  . Fixed bug #79797 (Use of freed hash key in the phar_parse_zipfile
+    function). (CVE-2020-7068) (cmb)
+
+09 Jul 2020, PHP 7.2.32
+
+- Core:
+  . No source changes to this release.
+    Vesion number added for reproduction of Windows builds. (cmb)
+
+14 May 2020, PHP 7.2.31
+
+- Core:
+  . Fixed bug #78875 (Long filenames cause OOM and temp files are not cleaned). 
+    (CVE-2019-11048) (cmb)
+  . Fixed bug #78876 (Long variables in multipart/form-data cause OOM and temp 
+    files are not cleaned). (CVE-2019-11048) (cmb)
+
+16 Apr 2020, PHP 7.2.30
+
+- Standard:
+  . Fixed bug #79468 (SIGSEGV when closing stream handle with a stream filter
+    appended). (dinosaur)
+  . Fixed bug #79330 (shell_exec() silently truncates after a null byte). (stas)
+  . Fixed bug #79465 (OOB Read in urldecode()). (stas)
+
+19 Mar 2020, PHP 7.2.29
+
+- EXIF:
+  . Fixed bug #79282 (Use-of-uninitialized-value in exif). (CVE-2020-7064) 
+    (Nikita)
+
+- Standard: 
+  . Fixed bug #79329 (get_headers() silently truncates after a null byte) 
+    (CVE-2020-7066). (cmb)
+
+20 Feb 2020, PHP 7.2.28
+
+- DOM:
+  . Fixed bug #77569: (Write Access Violation in DomImplementation). (Nikita,
+    cmb)
+
+- Phar:
+  . Fixed bug #79082 (Files added to tar with Phar::buildFromIterator have
+    all-access permissions). (CVE-2020-7063) (stas)
+
+- Session:
+  . Fixed bug #79221 (Null Pointer Dereference in PHP Session Upload Progress).
+    (CVE-2020-7062) (stas)
+
+23 Jan 2020, PHP 7.2.27
 
 - Mbstring:
   . Fixed bug #79037 (global buffer-overflow in `mbfl_filt_conv_big5_wchar`). 

configure.ac

@@ -107,8 +107,8 @@ int zend_sprintf(char *buffer, const char *format, ...);
 
 PHP_MAJOR_VERSION=7
 PHP_MINOR_VERSION=2
-PHP_RELEASE_VERSION=27
-PHP_EXTRA_VERSION="-dev"
+PHP_RELEASE_VERSION=33
+PHP_EXTRA_VERSION=""
 PHP_VERSION="$PHP_MAJOR_VERSION.$PHP_MINOR_VERSION.$PHP_RELEASE_VERSION$PHP_EXTRA_VERSION"
 PHP_VERSION_ID=`expr [$]PHP_MAJOR_VERSION \* 10000 + [$]PHP_MINOR_VERSION \* 100 + [$]PHP_RELEASE_VERSION`
 

ext/dom/document.c

@@ -341,7 +341,7 @@ int dom_document_encoding_write(dom_object *obj, zval *newval)
 
 	str = zval_get_string(newval);
 
-	handler = xmlFindCharEncodingHandler(Z_STRVAL_P(newval));
+	handler = xmlFindCharEncodingHandler(ZSTR_VAL(str));
 
     if (handler != NULL) {
 		xmlCharEncCloseFunc(handler);

ext/dom/tests/bug77569.phpt

@@ -0,0 +1,14 @@
+--TEST--
+Bug #77569 (Write Access Violation in DomImplementation)
+--SKIPIF--
+<?php
+if (!extension_loaded('dom')) die('skip dom extension not available');
+?>
+--FILE--
+<?php
+$imp = new DOMImplementation;
+$dom = $imp->createDocument("", "");
+$dom->encoding = null;
+?>
+--EXPECTF--
+Warning: main(): Invalid Document Encoding in %s on line %d

ext/exif/exif.c

@@ -3692,6 +3692,11 @@ static void exif_process_TIFF_in_JPEG(image_info_type *ImageInfo, char *CharBuf,
 {
 	unsigned exif_value_2a, offset_of_ifd;
 
+	if (length < 2) {
+		exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Missing TIFF alignment marker");
+		return;
+	}
+
 	/* set the thumbnail stuff to nothing so we can test to see if they get set up */
 	if (memcmp(CharBuf, "II", 2) == 0) {
 		ImageInfo->motorola_intel = 0;
@@ -3844,7 +3849,7 @@ static int exif_scan_JPEG_header(image_info_type *ImageInfo)
 			return FALSE;
 		}
 
-		sn = exif_file_sections_add(ImageInfo, marker, itemlen+1, NULL);
+		sn = exif_file_sections_add(ImageInfo, marker, itemlen, NULL);
 		Data = ImageInfo->file.list[sn].data;
 
 		/* Store first two pre-read bytes. */

ext/exif/tests/bug79282.phpt

@@ -0,0 +1,15 @@
+--TEST--
+Bug #79282: Use-of-uninitialized-value in exif
+--FILE--
+<?php
+
+var_dump(exif_read_data('data://image/jpeg;base64,/9jhAAlFeGlmAAAg'));
+
+?>
+--EXPECTF--
+Warning: exif_read_data(): Missing TIFF alignment marker in %s on line %d
+
+Warning: exif_read_data(): File structure corrupted in %s on line %d
+
+Warning: exif_read_data(): Invalid JPEG file in %s on line %d
+bool(false)

ext/phar/phar_object.c

@@ -1439,6 +1439,7 @@ static int phar_build(zend_object_iterator *iter, void *puser) /* {{{ */
 	char *str_key;
 	zend_class_entry *ce = p_obj->c;
 	phar_archive_object *phar_obj = p_obj->p;
+	php_stream_statbuf ssb;
 
 	value = iter->funcs->get_current_data(iter);
 
@@ -1718,6 +1719,16 @@ after_open_fp:
 		php_stream_copy_to_stream_ex(fp, p_obj->fp, PHP_STREAM_COPY_ALL, &contents_len);
 		data->internal_file->uncompressed_filesize = data->internal_file->compressed_filesize =
 			php_stream_tell(p_obj->fp) - data->internal_file->offset;
+		if (php_stream_stat(fp, &ssb) != -1) {
+			data->internal_file->flags = ssb.sb.st_mode & PHAR_ENT_PERM_MASK ;
+		} else {
+#ifndef _WIN32
+			mode_t mask;
+			mask = umask(0);
+			umask(mask);
+			data->internal_file->flags &= ~mask;
+#endif
+		}
 	}
 
 	if (close_fp) {

ext/phar/tests/bug79082.phpt

@@ -0,0 +1,52 @@
+--TEST--
+Phar: Bug #79082: Files added to tar with Phar::buildFromIterator have all-access permissions
+--SKIPIF--
+<?php 
+if (!extension_loaded("phar")) die("skip"); 
+if (defined("PHP_WINDOWS_VERSION_MAJOR")) die("skip not for Windows")
+?>
+--FILE--
+<?php
+umask(022);
+var_dump(decoct(umask()));
+chmod(__DIR__ . '/test79082/test79082-testfile', 0644);
+chmod(__DIR__ . '/test79082/test79082-testfile2', 0400);
+
+foreach([Phar::TAR => 'tar', Phar::ZIP => 'zip'] as $mode => $ext) {
+	clearstatcache();
+	$phar = new PharData(__DIR__ . '/test79082.' . $ext, null, null, $mode);
+	$phar->buildFromIterator(new \RecursiveDirectoryIterator(__DIR__ . '/test79082', \FilesystemIterator::SKIP_DOTS), __DIR__ . '/test79082');
+	$phar->extractTo(__DIR__);
+	var_dump(decoct(stat(__DIR__ . '/test79082-testfile')['mode']));
+	var_dump(decoct(stat(__DIR__ . '/test79082-testfile2')['mode']));
+	unlink(__DIR__ . '/test79082-testfile');
+	unlink(__DIR__ . '/test79082-testfile2');
+}
+foreach([Phar::TAR => 'tar', Phar::ZIP => 'zip'] as $mode => $ext) {
+	clearstatcache();
+	$phar = new PharData(__DIR__ . '/test79082-d.' . $ext, null, null, $mode);
+	$phar->buildFromDirectory(__DIR__ . '/test79082');
+	$phar->extractTo(__DIR__);
+	var_dump(decoct(stat(__DIR__ . '/test79082-testfile')['mode']));
+	var_dump(decoct(stat(__DIR__ . '/test79082-testfile2')['mode']));
+	unlink(__DIR__ . '/test79082-testfile');
+	unlink(__DIR__ . '/test79082-testfile2');
+}
+?>
+--CLEAN--
+<?
+unlink(__DIR__ . '/test79082.tar');
+unlink(__DIR__ . '/test79082.zip');
+unlink(__DIR__ . '/test79082-d.tar');
+unlink(__DIR__ . '/test79082-d.zip');
+?>
+--EXPECT--
+string(2) "22"
+string(6) "100644"
+string(6) "100400"
+string(6) "100644"
+string(6) "100400"
+string(6) "100644"
+string(6) "100400"
+string(6) "100644"
+string(6) "100400"

ext/phar/tests/bug79797.phpt

@@ -0,0 +1,14 @@
+--TEST--
+Bug #79797 (Use of freed hash key in the phar_parse_zipfile function)
+--SKIPIF--
+<?php
+if (!extension_loaded('phar')) die('skip phar extension not available');
+?>
+--INI--
+phar.cache_list={PWD}/bug79797.phar
+--FILE--
+<?php
+echo "done\n";
+?>
+--EXPECT--
+done

ext/phar/tests/test79082/test79082-testfile

@@ -0,0 +1 @@
+test

ext/phar/tests/test79082/test79082-testfile2

@@ -0,0 +1 @@
+test

ext/phar/zip.c

@@ -703,7 +703,7 @@ foundit:
 			efree(actual_alias);
 		}
 
-		zend_hash_str_add_ptr(&(PHAR_G(phar_alias_map)), actual_alias, mydata->alias_len, mydata);
+		zend_hash_str_add_ptr(&(PHAR_G(phar_alias_map)), mydata->alias, mydata->alias_len, mydata);
 	} else {
 		phar_archive_data *fd_ptr;
 

ext/session/session.c

@@ -3219,10 +3219,12 @@ static int php_session_rfc1867_callback(unsigned int event, void *event_data, vo
 				if (PS(rfc1867_cleanup)) {
 					php_session_rfc1867_cleanup(progress);
 				} else {
-					SEPARATE_ARRAY(&progress->data);
-					add_assoc_bool_ex(&progress->data, "done", sizeof("done") - 1, 1);
-					Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
-					php_session_rfc1867_update(progress, 1);
+					if (!Z_ISUNDEF(progress->data)) {
+						SEPARATE_ARRAY(&progress->data);
+						add_assoc_bool_ex(&progress->data, "done", sizeof("done") - 1, 1);
+						Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
+						php_session_rfc1867_update(progress, 1);
+					}
 				}
 				php_rshutdown_session_globals();
 			}

ext/session/tests/bug79221.phpt

@@ -0,0 +1,45 @@
+--TEST--
+Null Pointer Dereference in PHP Session Upload Progress
+--INI--
+error_reporting=0
+file_uploads=1
+upload_max_filesize=1024
+session.save_path=
+session.name=PHPSESSID
+session.serialize_handler=php
+session.use_strict_mode=0
+session.use_cookies=1
+session.use_only_cookies=0
+session.upload_progress.enabled=1
+session.upload_progress.cleanup=0
+session.upload_progress.prefix=upload_progress_
+session.upload_progress.name=PHP_SESSION_UPLOAD_PROGRESS
+session.upload_progress.freq=1%
+session.upload_progress.min_freq=0.000000001
+--COOKIE--
+PHPSESSID=session-upload
+--POST_RAW--
+Content-Type: multipart/form-data; boundary=---------------------------20896060251896012921717172737
+-----------------------------20896060251896012921717172737
+Content-Disposition: form-data; name="PHPSESSID"
+
+session-upload
+-----------------------------20896060251896012921717172737
+Content-Disposition: form-data; name="PHP_SESSION_UPLOAD_PROGRESS"
+
+ryat
+-----------------------------20896060251896012921717172737
+Content-Disposition: form-data; file="file"; ryat="filename"
+
+1
+-----------------------------20896060251896012921717172737--
+--FILE--
+<?php
+
+session_start();
+var_dump($_SESSION);
+session_destroy();
+
+--EXPECTF--
+array(0) {
+}

ext/soap/tests/bugs/bug76348.phpt

@@ -3,6 +3,7 @@ Bug #76348 (WSDL_CACHE_MEMORY causes Segmentation fault)
 --SKIPIF--
 <?php
 if (!extension_loaded('soap')) die('skip soap extension not available');
+if (getenv("SKIP_ONLINE_TESTS")) die("skip online test");
 ?>
 --FILE--
 <?php

ext/standard/credits_ext.h

@@ -1,11 +1,11 @@
-/* 
+/*
                       DO NOT EDIT THIS FILE!
 
- it has been automaticaly created by php7/scripts/credits from  
+ it has been automaticaly created by php7/scripts/credits from
  the information found in the various php7/ext/.../CREDITS and
- php7/sapi/.../CREDITS files 
- 
- if you want to change an entry you have to edit the appropriate 
+ php7/sapi/.../CREDITS files
+
+ if you want to change an entry you have to edit the appropriate
  CREDITS file instead
 
 */
@@ -28,7 +28,7 @@ CREDIT_LINE("FTP", "Stefan Esser, Andrew Skalski");
 CREDIT_LINE("GD imaging", "Rasmus Lerdorf, Stig Bakken, Jim Winstead, Jouni Ahto, Ilia Alshanetsky, Pierre-Alain Joye, Marcus Boerger");
 CREDIT_LINE("GetText", "Alex Plotnick");
 CREDIT_LINE("GNU GMP support", "Stanislav Malyshev");
-CREDIT_LINE("Iconv", "Rui Hirokawa, Stig Bakken, Moriyoshi Koizumi ");
+CREDIT_LINE("Iconv", "Rui Hirokawa, Stig Bakken, Moriyoshi Koizumi");
 CREDIT_LINE("IMAP", "Rex Logan, Mark Musone, Brian Wang, Kaj-Michael Lang, Antoni Pamies Olive, Rasmus Lerdorf, Andrew Skalski, Chuck Hagenbuch, Daniel R Kalowsky");
 CREDIT_LINE("Input Filter", "Rasmus Lerdorf, Derick Rethans, Pierre-Alain Joye, Ilia Alshanetsky");
 CREDIT_LINE("InterBase", "Jouni Ahto, Andrew Avdeev, Ard Biesheuvel");

ext/standard/credits_sapi.h

@@ -1,11 +1,11 @@
-/* 
+/*
                       DO NOT EDIT THIS FILE!
 
- it has been automaticaly created by php7/scripts/credits from  
+ it has been automaticaly created by php7/scripts/credits from
  the information found in the various php7/ext/.../CREDITS and
- php7/sapi/.../CREDITS files 
- 
- if you want to change an entry you have to edit the appropriate 
+ php7/sapi/.../CREDITS files
+
+ if you want to change an entry you have to edit the appropriate
  CREDITS file instead
 
 */

ext/standard/exec.c

@@ -531,6 +531,15 @@ PHP_FUNCTION(shell_exec)
 		Z_PARAM_STRING(command, command_len)
 	ZEND_PARSE_PARAMETERS_END();
 
+	if (!command_len) {
+		php_error_docref(NULL, E_WARNING, "Cannot execute a blank command");
+		RETURN_FALSE;
+	}
+	if (strlen(command) != command_len) {
+		php_error_docref(NULL, E_WARNING, "NULL byte detected. Possible attack");
+		RETURN_FALSE;
+	}
+
 #ifdef PHP_WIN32
 	if ((in=VCWD_POPEN(command, "rt"))==NULL) {
 #else

ext/standard/image.c

@@ -1478,6 +1478,11 @@ static void php_getimagesize_from_any(INTERNAL_FUNCTION_PARAMETERS, int mode) {
 		Z_PARAM_ZVAL_DEREF(info)
 	ZEND_PARSE_PARAMETERS_END();
 
+	if (mode == FROM_PATH && CHECK_NULL_PATH(input, input_len)) {
+		php_error_docref(NULL, E_WARNING, "Invalid path");
+		return;
+	}
+
 	if (argc == 2) {
 		zval_ptr_dtor(info);
 		array_init(info);

ext/standard/string.c

@@ -4816,7 +4816,7 @@ PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const
 				switch (state) {
 					case 1: /* HTML/XML */
 						lc = '>';
-						if (is_xml && *(p -1) == '-') {
+						if (is_xml && p >= buf + 1 && *(p-1) == '-') {
 							break;
 						}
 						in_q = state = is_xml = 0;
@@ -4837,7 +4837,7 @@ PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const
 						break;
 
 					case 2: /* PHP */
-						if (!br && lc != '\"' && *(p-1) == '?') {
+						if (!br && lc != '\"' && p >= buf + 1 && *(p-1) == '?') {
 							in_q = state = 0;
 							tp = tbuf;
 						}

ext/standard/tests/filters/bug79468.phpt

@@ -0,0 +1,21 @@
+--TEST--
+Bug #79468	SIGSEGV when closing stream handle with a stream filter appended
+--SKIPIF--
+<?php
+$filters = stream_get_filters();
+if(! in_array( "string.rot13", $filters )) die( "skip rot13 filter not available." );
+?>
+--FILE--
+<?php
+$fp = fopen('php://temp', 'rb');
+$rot13_filter = stream_filter_append($fp, "string.rot13", STREAM_FILTER_WRITE);
+fwrite($fp, "This is ");
+fclose($fp);
+try {
+    stream_filter_remove($rot13_filter);
+} catch (\Throwable $e) {
+    var_dump($e->getMessage());
+}
+?>
+--EXPECTF--
+Warning: stream_filter_remove(): Invalid resource given, not a stream filter in %s on line %d

ext/standard/tests/image/bug79877.phpt

@@ -0,0 +1,9 @@
+--TEST--
+Bug #79877 (getimagesize function silently truncates after a null byte)
+--FILE--
+<?php
+var_dump(getimagesize("/tmp/a.png\0xx"));
+?>
+--EXPECTF--
+Warning: getimagesize(): Invalid path in %s on line %d
+NULL

ext/standard/url.c

@@ -559,7 +559,7 @@ PHPAPI size_t php_url_decode(char *str, size_t len)
 #ifndef CHARSET_EBCDIC
 			*dest = (char) php_htoi(data + 1);
 #else
-			*dest = os_toebcdic[(char) php_htoi(data + 1)];
+			*dest = os_toebcdic[(unsigned char) php_htoi(data + 1)];
 #endif
 			data += 2;
 			len -= 2;
@@ -651,7 +651,7 @@ PHPAPI size_t php_raw_url_decode(char *str, size_t len)
 #ifndef CHARSET_EBCDIC
 			*dest = (char) php_htoi(data + 1);
 #else
-			*dest = os_toebcdic[(char) php_htoi(data + 1)];
+			*dest = os_toebcdic[(unsigned char) php_htoi(data + 1)];
 #endif
 			data += 2;
 			len -= 2;
@@ -680,7 +680,7 @@ PHP_FUNCTION(get_headers)
 	php_stream_context *context;
 
 	ZEND_PARSE_PARAMETERS_START(1, 3)
-		Z_PARAM_STRING(url, url_len)
+		Z_PARAM_PATH(url, url_len)
 		Z_PARAM_OPTIONAL
 		Z_PARAM_LONG(format)
 		Z_PARAM_RESOURCE_EX(zcontext, 1, 0)

main/php_version.h

@@ -2,7 +2,7 @@
 /* edit configure.ac to change version number */
 #define PHP_MAJOR_VERSION 7
 #define PHP_MINOR_VERSION 2
-#define PHP_RELEASE_VERSION 27
-#define PHP_EXTRA_VERSION "-dev"
-#define PHP_VERSION "7.2.27-dev"
-#define PHP_VERSION_ID 70227
+#define PHP_RELEASE_VERSION 33
+#define PHP_EXTRA_VERSION ""
+#define PHP_VERSION "7.2.33"
+#define PHP_VERSION_ID 70233

main/rfc1867.c

@@ -616,7 +616,7 @@ static void *php_ap_memstr(char *haystack, int haystacklen, char *needle, int ne
 }
 
 /* read until a boundary condition */
-static int multipart_buffer_read(multipart_buffer *self, char *buf, size_t bytes, int *end)
+static size_t multipart_buffer_read(multipart_buffer *self, char *buf, size_t bytes, int *end)
 {
 	size_t len, max;
 	char *bound;
@@ -655,7 +655,7 @@ static int multipart_buffer_read(multipart_buffer *self, char *buf, size_t bytes
 		self->buf_begin += len;
 	}
 
-	return (int)len;
+	return len;
 }
 
 /*
@@ -665,7 +665,7 @@ static int multipart_buffer_read(multipart_buffer *self, char *buf, size_t bytes
 static char *multipart_buffer_read_body(multipart_buffer *self, size_t *len)
 {
 	char buf[FILLUNIT], *out=NULL;
-	int total_bytes=0, read_bytes=0;
+	size_t total_bytes=0, read_bytes=0;
 
 	while((read_bytes = multipart_buffer_read(self, buf, sizeof(buf), NULL))) {
 		out = erealloc(out, total_bytes + read_bytes + 1);
@@ -692,7 +692,8 @@ SAPI_API SAPI_POST_HANDLER_FUNC(rfc1867_post_handler) /* {{{ */
 	char *boundary, *s = NULL, *boundary_end = NULL, *start_arr = NULL, *array_index = NULL;
 	char *lbuf = NULL, *abuf = NULL;
 	zend_string *temp_filename = NULL;
-	int boundary_len = 0, cancel_upload = 0, is_arr_upload = 0, array_len = 0;
+	int boundary_len = 0, cancel_upload = 0, is_arr_upload = 0;
+	size_t array_len = 0;
 	int64_t total_bytes = 0, max_file_size = 0;
 	int skip_upload = 0, anonindex = 0, is_anonymous;
 	HashTable *uploaded_files = NULL;
@@ -1126,7 +1127,7 @@ SAPI_API SAPI_POST_HANDLER_FUNC(rfc1867_post_handler) /* {{{ */
 			is_arr_upload =	(start_arr = strchr(param,'[')) && (param[strlen(param)-1] == ']');
 
 			if (is_arr_upload) {
-				array_len = (int)strlen(start_arr);
+				array_len = strlen(start_arr);
 				if (array_index) {
 					efree(array_index);
 				}

main/streams/streams.c

@@ -477,9 +477,15 @@ fprintf(stderr, "stream_free: %s:%p[%s] preserve_handle=%d release_cast=%d remov
 
 	if (close_options & PHP_STREAM_FREE_RELEASE_STREAM) {
 		while (stream->readfilters.head) {
+			if (stream->readfilters.head->res != NULL) {
+				zend_list_close(stream->readfilters.head->res);
+			}
 			php_stream_filter_remove(stream->readfilters.head, 1);
 		}
 		while (stream->writefilters.head) {
+			if (stream->writefilters.head->res != NULL) {
+				zend_list_close(stream->writefilters.head->res);
+			}
 			php_stream_filter_remove(stream->writefilters.head, 1);
 		}