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| author | Stanislav Malyshev <stas@php.net> | 2014-06-21 19:46:16 -0700 |
|---|---|---|
| committer | Stanislav Malyshev <stas@php.net> | 2014-07-18 16:31:59 -0700 |
| commit | c74efe1b2efd7222b27d36f383623cd19ed0e102 (patch) | |
| tree | b9b0ff6fdd6f37b37a9c18385d23a37c49b2e42c | |
| parent | b5051ff939eb9dbada8ce10fbea8cf37e50b5a36 (diff) | |
| download | php-git-c74efe1b2efd7222b27d36f383623cd19ed0e102.tar.gz | |
Fix bug #67492: unserialize() SPL ArrayObject / SPLObjectStorage Type Confusion
Conflicts:
ext/spl/spl_array.c
ext/spl/tests/SplObjectStorage_unserialize_bad.phpt
| -rw-r--r-- | ext/spl/spl_array.c | 2 | ||||
| -rw-r--r-- | ext/spl/spl_observer.c | 2 | ||||
| -rw-r--r-- | ext/spl/tests/SplObjectStorage_unserialize_bad.phpt | 9 |
3 files changed, 8 insertions, 5 deletions
diff --git a/ext/spl/spl_array.c b/ext/spl/spl_array.c index f2f3f1c61b..312beaa008 100644 --- a/ext/spl/spl_array.c +++ b/ext/spl/spl_array.c @@ -1816,7 +1816,7 @@ void spl_array_unserialize_helper(spl_array_object *intern, const unsigned char ++p; ALLOC_INIT_ZVAL(pmembers); - if (!php_var_unserialize(&pmembers, &p, s + buf_len, var_hash_p TSRMLS_CC)) { + if (!php_var_unserialize(&pmembers, &p, s + buf_len, var_hash_p TSRMLS_CC) || Z_TYPE_P(pmembers) != IS_ARRAY) { zval_ptr_dtor(&pmembers); goto outexcept; } diff --git a/ext/spl/spl_observer.c b/ext/spl/spl_observer.c index 876efea688..1a491e1f48 100644 --- a/ext/spl/spl_observer.c +++ b/ext/spl/spl_observer.c @@ -801,7 +801,7 @@ SPL_METHOD(SplObjectStorage, unserialize) ++p; ALLOC_INIT_ZVAL(pmembers); - if (!php_var_unserialize(&pmembers, &p, s + buf_len, &var_hash TSRMLS_CC)) { + if (!php_var_unserialize(&pmembers, &p, s + buf_len, &var_hash TSRMLS_CC) || Z_TYPE_P(pmembers) != IS_ARRAY) { zval_ptr_dtor(&pmembers); goto outexcept; } diff --git a/ext/spl/tests/SplObjectStorage_unserialize_bad.phpt b/ext/spl/tests/SplObjectStorage_unserialize_bad.phpt index 9e3f3605b7..4adfa6f7b4 100644 --- a/ext/spl/tests/SplObjectStorage_unserialize_bad.phpt +++ b/ext/spl/tests/SplObjectStorage_unserialize_bad.phpt @@ -5,8 +5,9 @@ SPL: Test that serialized blob contains unique elements (CVE-2010-2225) $badblobs = array( 'x:i:2;i:0;,i:1;;i:0;,i:2;;m:a:0:{}', -'x:i:3;O:8:"stdClass":0:{},O:8:"stdClass":0:{};R:1;,i:1;;O:8:"stdClass":0:{},r:2;;m:a:0:{}', -'x:i:3;O:8:"stdClass":0:{},O:8:"stdClass":0:{};r:1;,i:1;;O:8:"stdClass":0:{},r:2;;m:a:0:{}', +'x:i:3;O:8:"stdClass":0:{},O:8:"stdClass":0:{};R:2;,i:1;;O:8:"stdClass":0:{},r:2;;m:a:0:{}', +'x:i:3;O:8:"stdClass":0:{},O:8:"stdClass":0:{};r:2;,i:1;;O:8:"stdClass":0:{},r:2;;m:a:0:{}', +'x:i:1;O:8:"stdClass":0:{},N;;m:s:40:"1234567890123456789012345678901234567890"', ); foreach($badblobs as $blob) { try { @@ -17,6 +18,7 @@ try { echo $e->getMessage()."\n"; } } +echo "DONE\n"; --EXPECTF-- Error at offset 6 of 34 bytes Error at offset 46 of 89 bytes @@ -42,4 +44,5 @@ object(SplObjectStorage)#2 (1) { } } } - +Error at offset 79 of 78 bytes +DONE |