Update versions for PHP 7.2.30

Close the stream filter resources when removing them from the stream.

NEWS

@@ -1,9 +1,66 @@
 PHP                                                                        NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
-?? ??? 2019, PHP 7.2.27
+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 Dec 2019, PHP 7.2.26
+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`). 
+    (CVE-2020-7060) (Nikita)
+
+- Session:
+  . Fixed bug #79091 (heap use-after-free in session_create_id()). (cmb, Nikita)
+
+- Standard:
+  . Fixed bug #79099 (OOB read in php_strip_tags_ex). (CVE-2020-7059). (cmb)
+
+18 Dec 2019, PHP 7.2.26
+
+- Bcmath:
+  . Fixed bug #78878 (Buffer underflow in bc_shift_addsub). (CVE-2019-11046).
+    (cmb)
+
+- Core:
+  . Fixed bug #78862 (link() silently truncates after a null byte on Windows).
+    (CVE-2019-11044). (cmb)
+  . Fixed bug #78863 (DirectoryIterator class silently truncates after a null
+    byte). (CVE-2019-11045). (cmb)
+
+- EXIF:
+  . Fixed bug #78793 (Use-after-free in exif parsing under memory sanitizer).
+    (CVE-2019-11050). (Nikita)
+  . Fixed bug #78910 (Heap-buffer-overflow READ in exif). (CVE-2019-11047).
+    (Nikita)
 
 - GD:
   . Fixed bug #78849 (GD build broken with -D SIGNED_COMPARE_SLOW). (cmb)

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=30
+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/bcmath/libbcmath/src/str2num.c

@@ -57,9 +57,9 @@ bc_str2num (bc_num *num, char *str, int scale)
   zero_int = FALSE;
   if ( (*ptr == '+') || (*ptr == '-'))  ptr++;  /* Sign */
   while (*ptr == '0') ptr++;			/* Skip leading zeros. */
-  while (isdigit((int)*ptr)) ptr++, digits++;	/* digits */
+  while (*ptr >= '0' && *ptr <= '9') ptr++, digits++;	/* digits */
   if (*ptr == '.') ptr++;			/* decimal point */
-  while (isdigit((int)*ptr)) ptr++, strscale++;	/* digits */
+  while (*ptr >= '0' && *ptr <= '9') ptr++, strscale++;	/* digits */
   if ((*ptr != '\0') || (digits+strscale == 0))
     {
       *num = bc_copy_num (BCG(_zero_));

ext/bcmath/tests/bug78878.phpt

@@ -0,0 +1,13 @@
+--TEST--
+Bug #78878 (Buffer underflow in bc_shift_addsub)
+--SKIPIF--
+<?php
+if (!extension_loaded('bcmath')) die('skip bcmath extension not available');
+?>
+--FILE--
+<?php
+print @bcmul("\xB26483605105519922841849335928742092", bcpowmod(2, 65535, -4e-4));
+?>
+--EXPECT--
+bc math warning: non-zero scale in modulus
+0

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

@@ -3165,7 +3165,8 @@ static int exif_process_IFD_in_MAKERNOTE(image_info_type *ImageInfo, char * valu
 			continue;
 		if (maker_note->model && (!ImageInfo->model || strcmp(maker_note->model, ImageInfo->model)))
 			continue;
-		if (maker_note->id_string && strncmp(maker_note->id_string, value_ptr, maker_note->id_string_len))
+		if (maker_note->id_string && value_len >= maker_note->id_string_len
+				&& strncmp(maker_note->id_string, value_ptr, maker_note->id_string_len))
 			continue;
 		break;
 	}
@@ -3239,8 +3240,9 @@ static int exif_process_IFD_in_MAKERNOTE(image_info_type *ImageInfo, char * valu
 	}
 
 	for (de=0;de<NumDirEntries;de++) {
-		if (!exif_process_IFD_TAG(ImageInfo, dir_start + 2 + 12 * de,
-								  offset_base, data_len, displacement, section_index, 0, maker_note->tag_table)) {
+		size_t offset = 2 + 12 * de;
+		if (!exif_process_IFD_TAG(ImageInfo, dir_start + offset,
+								  offset_base, data_len - offset, displacement, section_index, 0, maker_note->tag_table)) {
 			return FALSE;
 		}
 	}
@@ -3690,6 +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;
@@ -3842,7 +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/bug76557.phpt

@@ -70,7 +70,7 @@ Warning: exif_read_data(bug76557.jpg): Process tag(x3030=UndefinedTa): Illegal f
 
 Warning: exif_read_data(bug76557.jpg): Process tag(x3030=UndefinedTa): Illegal format code 0x3030, suppose BYTE in %sbug76557.php on line %d
 
-Warning: exif_read_data(bug76557.jpg): Process tag(x3030=UndefinedTa): Illegal pointer offset(x30303030 + x30303030 = x60606060 > x00EE) in %sbug76557.php on line %d
+Warning: exif_read_data(bug76557.jpg): Process tag(x3030=UndefinedTa): Illegal pointer offset(x30303030 + x30303030 = x60606060 > %s) in %sbug76557.php on line %d
 
 Warning: exif_read_data(bug76557.jpg): File structure corrupted in %sbug76557.php on line %d
 

ext/exif/tests/bug78793.phpt

@@ -0,0 +1,12 @@
+--TEST--
+Bug #78793: Use-after-free in exif parsing under memory sanitizer
+--FILE--
+<?php
+$f = "ext/exif/tests/bug77950.tiff";
+for ($i = 0; $i < 10; $i++) {
+    @exif_read_data($f);
+}
+?>
+===DONE===
+--EXPECT--
+===DONE===

ext/exif/tests/bug78910.phpt

@@ -0,0 +1,17 @@
+--TEST--
+Bug #78910: Heap-buffer-overflow READ in exif (OSS-Fuzz #19044)
+--FILE--
+<?php
+
+var_dump(exif_read_data('data:image/jpg;base64,TU0AKgAAAAwgICAgAAIBDwAEAAAAAgAAACKSfCAgAAAAAEZVSklGSUxN'));
+
+?>
+--EXPECTF--
+Notice: exif_read_data(): Read from TIFF: tag(0x927C, MakerNote  ): Illegal format code 0x2020, switching to BYTE in %s on line %d
+
+Warning: exif_read_data(): Process tag(x927C=MakerNote  ): Illegal format code 0x2020, suppose BYTE in %s on line %d
+
+Warning: exif_read_data(): IFD data too short: 0x0000 offset 0x000C in %s on line %d
+
+Warning: exif_read_data(): Invalid TIFF file in %s on line %d
+bool(false)

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/mbstring/libmbfl/filters/mbfilter_big5.c

@@ -138,6 +138,17 @@ static unsigned short cp950_pua_tbl[][4] = {
 	{0xf70f,0xf848,0xc740,0xc8fe},
 };
 
+static inline int is_in_cp950_pua(int c1, int c) {
+	if ((c1 >= 0xfa && c1 <= 0xfe) || (c1 >= 0x8e && c1 <= 0xa0) ||
+			(c1 >= 0x81 && c1 <= 0x8d) || (c1 >= 0xc7 && c1 <= 0xc8)) {
+		return (c >=0x40 && c <= 0x7e) || (c >= 0xa1 && c <= 0xfe);
+	}
+	if (c1 == 0xc6) {
+		return c >= 0xa1 && c <= 0xfe;
+	}
+	return 0;
+}
+
 /*
  * Big5 => wchar
  */
@@ -186,11 +197,7 @@ mbfl_filt_conv_big5_wchar(int c, mbfl_convert_filter *filter)
 
 			if (filter->from->no_encoding == mbfl_no_encoding_cp950) {
 				/* PUA for CP950 */
-				if (w <= 0 &&
-					(((c1 >= 0xfa && c1 <= 0xfe) || (c1 >= 0x8e && c1 <= 0xa0) ||
-					  (c1 >= 0x81 && c1 <= 0x8d) ||(c1 >= 0xc7 && c1 <= 0xc8))
-					 && ((c > 0x39 && c < 0x7f) || (c > 0xa0 && c < 0xff))) ||
-					((c1 == 0xc6) && (c > 0xa0 && c < 0xff))) {
+				if (w <= 0 && is_in_cp950_pua(c1, c)) {
 					c2 = c1 << 8 | c;
 					for (k = 0; k < sizeof(cp950_pua_tbl)/(sizeof(unsigned short)*4); k++) {
 						if (c2 >= cp950_pua_tbl[k][2] && c2 <= cp950_pua_tbl[k][3]) {

ext/mbstring/tests/bug79037.phpt

@@ -0,0 +1,10 @@
+--TEST--
+Bug #79037: global buffer-overflow in `mbfl_filt_conv_big5_wchar`
+--FILE--
+<?php
+
+var_dump(mb_convert_encoding("\x81\x3a", "UTF-8", "CP950"));
+
+?>
+--EXPECT--
+string(1) "?"

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/test79082/test79082-testfile

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

ext/phar/tests/test79082/test79082-testfile2

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

ext/session/session.c

@@ -2198,6 +2198,7 @@ static PHP_FUNCTION(session_create_id)
 				/* Detect collision and retry */
 				if (PS(mod)->s_validate_sid(&PS(mod_data), new_id) == FAILURE) {
 					zend_string_release(new_id);
+					new_id = NULL;
 					continue;
 				}
 				break;
@@ -3218,10 +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/bug79091.phpt

@@ -0,0 +1,67 @@
+--TEST--
+Bug #79091 (heap use-after-free in session_create_id())
+--SKIPIF--
+<?php
+if (!extension_loaded('session')) die('skip session extension not available');
+?>
+--FILE--
+<?php
+class MySessionHandler implements SessionHandlerInterface, SessionIdInterface, SessionUpdateTimestampHandlerInterface
+{
+    public function close()
+    {
+        return true;
+    }
+
+    public function destroy($session_id)
+    {
+        return true;
+    }
+
+    public function gc($maxlifetime)
+    {
+        return true;
+    }
+
+    public function open($save_path, $session_name)
+    {
+        return true;
+    }
+
+    public function read($session_id)
+    {
+        return '';
+    }
+
+    public function write($session_id, $session_data)
+    {
+        return true;
+    }
+
+    public function create_sid()
+    {
+        return uniqid();
+    }
+
+    public function updateTimestamp($key, $val)
+    {
+        return true;
+    }
+
+    public function validateId($key)
+    {
+        return false;
+    }
+}
+
+ob_start();
+var_dump(session_set_save_handler(new MySessionHandler()));
+var_dump(session_start());
+ob_flush();
+session_create_id();
+?>
+--EXPECTF--
+bool(true)
+bool(true)
+
+Warning: session_create_id(): Failed to create new ID in %s on line %d

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/spl/spl_directory.c

@@ -708,10 +708,10 @@ void spl_filesystem_object_construct(INTERNAL_FUNCTION_PARAMETERS, zend_long cto
 
 	if (SPL_HAS_FLAG(ctor_flags, DIT_CTOR_FLAGS)) {
 		flags = SPL_FILE_DIR_KEY_AS_PATHNAME|SPL_FILE_DIR_CURRENT_AS_FILEINFO;
-		parsed = zend_parse_parameters(ZEND_NUM_ARGS(), "s|l", &path, &len, &flags);
+		parsed = zend_parse_parameters(ZEND_NUM_ARGS(), "p|l", &path, &len, &flags);
 	} else {
 		flags = SPL_FILE_DIR_KEY_AS_PATHNAME|SPL_FILE_DIR_CURRENT_AS_SELF;
-		parsed = zend_parse_parameters(ZEND_NUM_ARGS(), "s", &path, &len);
+		parsed = zend_parse_parameters(ZEND_NUM_ARGS(), "p", &path, &len);
 	}
 	if (SPL_HAS_FLAG(ctor_flags, SPL_FILE_DIR_SKIPDOTS)) {
 		flags |= SPL_FILE_DIR_SKIPDOTS;

ext/spl/tests/bug54291.phpt

@@ -5,7 +5,7 @@ Bug #54291 (Crash iterating DirectoryIterator for dir name starting with \0)
 $dir = new DirectoryIterator("\x00/abc");
 $dir->isFile();
 --EXPECTF--
-Fatal error: Uncaught UnexpectedValueException: Failed to open directory "" in %s:%d
+Fatal error: Uncaught UnexpectedValueException: DirectoryIterator::__construct() expects parameter 1 to be a valid path, string given in %s:%d
 Stack trace:
 #0 %s(%d): DirectoryIterator->__construct('\x00/abc')
 #1 {main}

ext/spl/tests/bug78863.phpt

@@ -0,0 +1,31 @@
+--TEST--
+Bug #78863 (DirectoryIterator class silently truncates after a null byte)
+--FILE--
+<?php
+$dir = __DIR__ . '/bug78863';
+mkdir($dir);
+touch("$dir/bad");
+mkdir("$dir/sub");
+touch("$dir/sub/good");
+
+$it = new DirectoryIterator(__DIR__ . "/bug78863\0/sub");
+foreach ($it as $fileinfo) {
+    if (!$fileinfo->isDot()) {
+        var_dump($fileinfo->getFilename());
+    }
+}
+?>
+--EXPECTF--
+Fatal error: Uncaught UnexpectedValueException: DirectoryIterator::__construct() expects parameter 1 to be a valid path, string given in %s:%d
+Stack trace:
+#0 %s(%d): DirectoryIterator->__construct('%s')
+#1 {main}
+  thrown in %s on line %d
+--CLEAN--
+<?php
+$dir = __DIR__ . '/bug78863';
+unlink("$dir/sub/good");
+rmdir("$dir/sub");
+unlink("$dir/bad");
+rmdir($dir);
+?>

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/link_win32.c

@@ -211,7 +211,7 @@ PHP_FUNCTION(link)
 
 	/*First argument to link function is the target and hence should go to frompath
 	  Second argument to link function is the link itself and hence should go to topath */
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", &frompath, &frompath_len, &topath, &topath_len) == FAILURE) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp", &frompath, &frompath_len, &topath, &topath_len) == FAILURE) {
 		return;
 	}
 

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;
 						}
@@ -4866,7 +4866,7 @@ PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const
 				if (state == 4) {
 					/* Inside <!-- comment --> */
 					break;
-				} else if (state == 2 && *(p-1) != '\\') {
+				} else if (state == 2 && p >= buf + 1 && *(p-1) != '\\') {
 					if (lc == c) {
 						lc = '\0';
 					} else if (lc != '\\') {
@@ -4893,7 +4893,7 @@ PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const
 
 			case '!':
 				/* JavaScript & Other HTML scripting languages */
-				if (state == 1 && *(p-1) == '<') {
+				if (state == 1 && p >= buf + 1 && *(p-1) == '<') {
 					state = 3;
 					lc = c;
 				} else {
@@ -4920,7 +4920,7 @@ PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const
 
 			case '?':
 
-				if (state == 1 && *(p-1) == '<') {
+				if (state == 1 && p >= buf + 1 && *(p-1) == '<') {
 					br=0;
 					state=2;
 					break;

ext/standard/tests/file/bug79099.phpt

@@ -0,0 +1,32 @@
+--TEST--
+Bug #79099 (OOB read in php_strip_tags_ex)
+--FILE--
+<?php
+$stream = fopen('php://memory', 'w+');
+fputs($stream, "<?\n\"\n");
+rewind($stream);
+var_dump(fgetss($stream));
+var_dump(fgetss($stream));
+fclose($stream);
+
+$stream = fopen('php://memory', 'w+');
+fputs($stream, "<\0\n!\n");
+rewind($stream);
+var_dump(fgetss($stream));
+var_dump(fgetss($stream));
+fclose($stream);
+
+$stream = fopen('php://memory', 'w+');
+fputs($stream, "<\0\n?\n");
+rewind($stream);
+var_dump(fgetss($stream));
+var_dump(fgetss($stream));
+fclose($stream);
+?>
+--EXPECT--
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""
+string(0) ""

ext/standard/tests/file/windows_links/bug78862.phpt

@@ -0,0 +1,17 @@
+--TEST--
+Bug #78862 (link() silently truncates after a null byte on Windows)
+--FILE--
+<?php
+file_put_contents(__DIR__ . '/bug78862.target', 'foo');
+var_dump(link(__DIR__ . "/bug78862.target\0more", __DIR__ . "/bug78862.link\0more"));
+var_dump(file_exists(__DIR__ . '/bug78862.link'));
+?>
+--EXPECTF--
+Warning: link() expects parameter 1 to be a valid path, string given in %s on line %d
+NULL
+bool(false)
+--CLEAN--
+<?php
+unlink(__DIR__ . '/bug78862.target');
+unlink(__DIR__ . '/bug78862.link');
+?>

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/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 30
+#define PHP_EXTRA_VERSION ""
+#define PHP_VERSION "7.2.30"
+#define PHP_VERSION_ID 70230

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);
 		}