main/php: fix for CVE-2010-2225

based on http://svn.php.net/viewvc?view=revision&revision=300843

2 files changed, 200 insertions, 2 deletions

diff --git a/main/php/APKBUILD b/main/php/APKBUILD
index 707829484..f933f01bd 100644
--- a/main/php/APKBUILD
+++ b/main/php/APKBUILD
@@ -3,7 +3,7 @@
 pkgname=php
 pkgver=5.3.2
 _suhosinver=${pkgver}-0.9.9.1
-pkgrel=7
+pkgrel=8
 pkgdesc="The PHP language runtime engine"
 url="http://www.php.net/"
 license="PHP-3"
@@ -65,6 +65,7 @@ source="http://www.php.net/distributions/${pkgname}-${pkgver}.tar.bz2
         http://download.suhosin.org/suhosin-patch-${_suhosinver}.patch.gz
 	php-install-pear-xml.patch
 	zend_execute_API.c.patch
+	CVE-2010-2225.patch
 	"
 
 _extdir="/usr/lib/php/20090626"
@@ -75,6 +76,8 @@ build() {
 	# beat the pear installer into using xml.so
 	patch -p1 -i "$srcdir"/php-install-pear-xml.patch || return 1
 
+	patch -p0 -i "$srcdir"/CVE-2010-2225.patch || return 1
+
 	# apply suhosin patch
 	gunzip -c ${srcdir}/suhosin-patch-${_suhosinver}.patch.gz \
 		| patch -p1 || return 1
@@ -259,4 +262,5 @@ dev() {
 md5sums="46f500816125202c48a458d0133254a4  php-5.3.2.tar.bz2
 4647b05330862d6a1fc4469245cc6ade  suhosin-patch-5.3.2-0.9.9.1.patch.gz
 5111e3be06d391f8772587c675240fab  php-install-pear-xml.patch
-55f9d24316a57e0c0f6b4b84791a1a17  zend_execute_API.c.patch"
+55f9d24316a57e0c0f6b4b84791a1a17  zend_execute_API.c.patch
+373a2705d03a13b77b590026b0ae47aa  CVE-2010-2225.patch"
diff --git a/main/php/CVE-2010-2225.patch b/main/php/CVE-2010-2225.patch
new file mode 100644
index 000000000..08c71f26b
--- /dev/null
+++ b/main/php/CVE-2010-2225.patch
@@ -0,0 +1,194 @@
+Index: ext/spl/tests/SplObjectStorage_unserialize_nested.phpt
+===================================================================
+--- ext/spl/tests/SplObjectStorage_unserialize_nested.phpt	(revision 0)
++++ ext/spl/tests/SplObjectStorage_unserialize_nested.phpt	(revision 300843)
+@@ -0,0 +1,47 @@
++--TEST--
++SPL: Test unserializing tested & linked storage
++--FILE--
++<?php
++$o = new StdClass();
++$a = new StdClass();
++
++$o->a = $a;
++
++$so = new SplObjectStorage();
++
++$so[$o] = 1;
++$so[$a] = 2;
++
++$s = serialize($so);
++echo $s."\n";
++
++$so1 = unserialize($s);
++var_dump($so1);
++
++--EXPECTF--
++C:16:"SplObjectStorage":76:{x:i:2;O:8:"stdClass":1:{s:1:"a";O:8:"stdClass":0:{}},i:1;;r:2;,i:2;;m:a:0:{}}
++object(SplObjectStorage)#4 (1) {
++  ["storage":"SplObjectStorage":private]=>
++  array(2) {
++    ["%s"]=>
++    array(2) {
++      ["obj"]=>
++      object(stdClass)#5 (1) {
++        ["a"]=>
++        object(stdClass)#6 (0) {
++        }
++      }
++      ["inf"]=>
++      int(1)
++    }
++    ["%s"]=>
++    array(2) {
++      ["obj"]=>
++      object(stdClass)#6 (0) {
++      }
++      ["inf"]=>
++      int(2)
++    }
++  }
++}
++
+Index: ext/spl/tests/SplObjectStorage_unserialize_bad.phpt
+===================================================================
+--- ext/spl/tests/SplObjectStorage_unserialize_bad.phpt	(revision 0)
++++ ext/spl/tests/SplObjectStorage_unserialize_bad.phpt	(revision 300843)
+@@ -0,0 +1,45 @@
++--TEST--
++SPL: Test that serialized blob contains unique elements (CVE-2010-2225)
++--FILE--
++<?php
++
++$badblobs = array(
++'x:i:2;i:0;,i:1;;i:0;,i:2;;m:a:0:{}',
++'x:i:3;O:8:"stdClass":0:{},O:8:"stdClass":0:{};R:1;,i:1;;O:8:"stdClass":0:{},r:2;;m:a:0:{}',
++'x:i:3;O:8:"stdClass":0:{},O:8:"stdClass":0:{};r:1;,i:1;;O:8:"stdClass":0:{},r:2;;m:a:0:{}',
++);
++foreach($badblobs as $blob) {
++try {
++  $so = new SplObjectStorage();
++  $so->unserialize($blob);
++  var_dump($so);
++} catch(UnexpectedValueException $e) {
++	echo $e->getMessage()."\n";
++}
++}
++--EXPECTF--
++Error at offset 6 of 34 bytes
++Error at offset 46 of 89 bytes
++object(SplObjectStorage)#2 (1) {
++  ["storage":"SplObjectStorage":private]=>
++  array(2) {
++    ["%s"]=>
++    array(2) {
++      ["obj"]=>
++      object(stdClass)#3 (0) {
++      }
++      ["inf"]=>
++      int(1)
++    }
++    ["%s"]=>
++    array(2) {
++      ["obj"]=>
++      object(stdClass)#1 (0) {
++      }
++      ["inf"]=>
++      object(stdClass)#4 (0) {
++      }
++    }
++  }
++}
++
+Index: ext/spl/spl_observer.c
+===================================================================
+--- ext/spl/spl_observer.c	(revision 300842)
++++ ext/spl/spl_observer.c	(revision 300843)
+@@ -115,6 +115,7 @@
+ 	zval_ptr_dtor(&element->inf);
+ } /* }}} */
+ 
++
+ spl_SplObjectStorageElement* spl_object_storage_get(spl_SplObjectStorage *intern, zval *obj TSRMLS_DC) /* {{{ */
+ {
+ 	spl_SplObjectStorageElement *element;
+@@ -632,15 +633,24 @@
+ 	zval_ptr_dtor(&pcount);
+ 		
+ 	while(count-- > 0) {
++		spl_SplObjectStorageElement *pelement;
++		
+ 		if (*p != ';') {
+ 			goto outexcept;
+ 		}
+ 		++p;
++		if(*p != 'O' && *p != 'C' && *p != 'r') {
++			goto outexcept;
++		}
+ 		ALLOC_INIT_ZVAL(pentry);
+ 		if (!php_var_unserialize(&pentry, &p, s + buf_len, &var_hash TSRMLS_CC)) {
+ 			zval_ptr_dtor(&pentry);
+ 			goto outexcept;
+ 		}
++		if(Z_TYPE_P(pentry) != IS_OBJECT) {
++			zval_ptr_dtor(&pentry);
++			goto outexcept;
++		}
+ 		ALLOC_INIT_ZVAL(pinf);
+ 		if (*p == ',') { /* new version has inf */
+ 			++p;
+@@ -649,6 +659,16 @@
+ 				goto outexcept;
+ 			}
+ 		}
++		
++		pelement = spl_object_storage_get(intern, pentry TSRMLS_CC);
++		if(pelement) {
++			if(pelement->inf) {
++				var_push_dtor(&var_hash, &pelement->inf);
++			}
++			if(pelement->obj) {
++				var_push_dtor(&var_hash, &pelement->obj);
++			}
++		} 
+ 		spl_object_storage_attach(intern, pentry, pinf TSRMLS_CC);
+ 		zval_ptr_dtor(&pentry);
+ 		zval_ptr_dtor(&pinf);
+Index: ext/standard/var_unserializer.c
+===================================================================
+--- ext/standard/var_unserializer.c	(revision 300842)
++++ ext/standard/var_unserializer.c	(revision 300843)
+@@ -56,7 +56,7 @@
+ 	var_hash->data[var_hash->used_slots++] = *rval;
+ }
+ 
+-static inline void var_push_dtor(php_unserialize_data_t *var_hashx, zval **rval)
++PHPAPI void var_push_dtor(php_unserialize_data_t *var_hashx, zval **rval)
+ {
+ 	var_entries *var_hash = var_hashx->first_dtor, *prev = NULL;
+ 
+Index: ext/standard/php_var.h
+===================================================================
+--- ext/standard/php_var.h	(revision 300842)
++++ ext/standard/php_var.h	(revision 300843)
+@@ -60,6 +60,7 @@
+ 	var_destroy(&(var_hash))
+ 
+ PHPAPI void var_replace(php_unserialize_data_t *var_hash, zval *ozval, zval **nzval);
++PHPAPI void var_push_dtor(php_unserialize_data_t *var_hash, zval **val);
+ PHPAPI void var_destroy(php_unserialize_data_t *var_hash);
+ 
+ #define PHP_VAR_UNSERIALIZE_ZVAL_CHANGED(var_hash, ozval, nzval) \
+Index: ext/standard/var_unserializer.re
+===================================================================
+--- ext/standard/var_unserializer.re	(revision 300842)
++++ ext/standard/var_unserializer.re	(revision 300843)
+@@ -54,7 +54,7 @@
+ 	var_hash->data[var_hash->used_slots++] = *rval;
+ }
+ 
+-static inline void var_push_dtor(php_unserialize_data_t *var_hashx, zval **rval)
++PHPAPI void var_push_dtor(php_unserialize_data_t *var_hashx, zval **rval)
+ {
+ 	var_entries *var_hash = var_hashx->first_dtor, *prev = NULL;
+