diff --git a/Zend/tests/gh20714.phpt b/Zend/tests/gh20714.phpt new file mode 100644 index 0000000000000..10ffde555f896 --- /dev/null +++ b/Zend/tests/gh20714.phpt @@ -0,0 +1,29 @@ +--TEST-- +GH-20714: Uncatchable exception thrown in generator +--CREDITS-- +Grégoire Paris (greg0ire) +--FILE-- + +--EXPECT-- +Caught diff --git a/Zend/zend_generators.c b/Zend/zend_generators.c index d227795f66b0d..d85c0f2da4a94 100644 --- a/Zend/zend_generators.c +++ b/Zend/zend_generators.c @@ -312,7 +312,9 @@ static void zend_generator_dtor_storage(zend_object *object) /* {{{ */ zend_object *old_exception = NULL; const zend_op *old_opline_before_exception = NULL; if (EG(exception)) { - if (EG(current_execute_data)) { + if (EG(current_execute_data) + && EG(current_execute_data)->opline + && EG(current_execute_data)->opline->opcode == ZEND_HANDLE_EXCEPTION) { EG(current_execute_data)->opline = EG(opline_before_exception); old_opline_before_exception = EG(opline_before_exception); } @@ -329,7 +331,7 @@ static void zend_generator_dtor_storage(zend_object *object) /* {{{ */ zend_generator_resume(generator); if (old_exception) { - if (EG(current_execute_data)) { + if (old_opline_before_exception) { EG(current_execute_data)->opline = EG(exception_op); EG(opline_before_exception) = old_opline_before_exception; } diff --git a/ext/pdo/pdo_sql_parser.re b/ext/pdo/pdo_sql_parser.re index a87fd473404ec..1897f9f238bf1 100644 --- a/ext/pdo/pdo_sql_parser.re +++ b/ext/pdo/pdo_sql_parser.re @@ -300,6 +300,12 @@ safe: } plc->quoted = stmt->dbh->methods->quoter(stmt->dbh, buf, param_type); + if (plc->quoted == NULL) { + /* bork */ + ret = -1; + strncpy(stmt->error_code, stmt->dbh->error_code, 6); + goto clean_up; + } } } diff --git a/ext/pdo_pgsql/tests/ghsa-8xr5-qppj-gvwj.phpt b/ext/pdo_pgsql/tests/ghsa-8xr5-qppj-gvwj.phpt new file mode 100644 index 0000000000000..736354cab13cb --- /dev/null +++ b/ext/pdo_pgsql/tests/ghsa-8xr5-qppj-gvwj.phpt @@ -0,0 +1,28 @@ +--TEST-- +#GHSA-8xr5-qppj-gvwj: NULL Pointer Derefernce for failed user input quoting +--EXTENSIONS-- +pdo +pdo_pgsql +--SKIPIF-- + +--FILE-- +setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); +$db->setAttribute(PDO::ATTR_EMULATE_PREPARES, true); + +$sql = "SELECT * FROM users where username = :username"; +$stmt = $db->prepare($sql); + +$p1 = "alice\x99"; +var_dump($stmt->execute(['username' => $p1])); + +?> +--EXPECT-- +bool(false) diff --git a/ext/standard/array.c b/ext/standard/array.c index f1b25387db060..893e07dd8f99a 100644 --- a/ext/standard/array.c +++ b/ext/standard/array.c @@ -4156,7 +4156,7 @@ static zend_always_inline void php_array_merge_wrapper(INTERNAL_FUNCTION_PARAMET uint32_t argc, i; zval *src_entry; HashTable *src, *dest; - uint32_t count = 0; + uint64_t count = 0; ZEND_PARSE_PARAMETERS_START(0, -1) Z_PARAM_VARIADIC('+', args, argc) @@ -4176,6 +4176,11 @@ static zend_always_inline void php_array_merge_wrapper(INTERNAL_FUNCTION_PARAMET count += zend_hash_num_elements(Z_ARRVAL_P(arg)); } + if (UNEXPECTED(count >= HT_MAX_SIZE)) { + zend_throw_error(NULL, "The total number of elements must be lower than %u", HT_MAX_SIZE); + RETURN_THROWS(); + } + if (argc == 2) { zval *ret = NULL; diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c index e0c4230dae27c..8b72ffffc8379 100644 --- a/ext/standard/basic_functions.c +++ b/ext/standard/basic_functions.c @@ -561,7 +561,7 @@ PHP_FUNCTION(inet_pton) char buffer[17]; ZEND_PARSE_PARAMETERS_START(1, 1) - Z_PARAM_STRING(address, address_len) + Z_PARAM_PATH(address, address_len) ZEND_PARSE_PARAMETERS_END(); memset(buffer, 0, sizeof(buffer)); @@ -593,7 +593,7 @@ PHP_FUNCTION(ip2long) struct in_addr ip; ZEND_PARSE_PARAMETERS_START(1, 1) - Z_PARAM_STRING(addr, addr_len) + Z_PARAM_PATH(addr, addr_len) ZEND_PARSE_PARAMETERS_END(); if (addr_len == 0 || inet_pton(AF_INET, addr, &ip) != 1) { @@ -2139,8 +2139,8 @@ PHP_FUNCTION(getservbyname) struct servent *serv; ZEND_PARSE_PARAMETERS_START(2, 2) - Z_PARAM_STR(name) - Z_PARAM_STRING(proto, proto_len) + Z_PARAM_PATH_STR(name) + Z_PARAM_PATH(proto, proto_len) ZEND_PARSE_PARAMETERS_END(); @@ -2183,7 +2183,7 @@ PHP_FUNCTION(getservbyport) ZEND_PARSE_PARAMETERS_START(2, 2) Z_PARAM_LONG(port) - Z_PARAM_STRING(proto, proto_len) + Z_PARAM_PATH(proto, proto_len) ZEND_PARSE_PARAMETERS_END(); serv = getservbyport(htons((unsigned short) port), proto); @@ -2210,7 +2210,7 @@ PHP_FUNCTION(getprotobyname) struct protoent *ent; ZEND_PARSE_PARAMETERS_START(1, 1) - Z_PARAM_STRING(name, name_len) + Z_PARAM_PATH(name, name_len) ZEND_PARSE_PARAMETERS_END(); ent = getprotobyname(name); diff --git a/ext/standard/dns.c b/ext/standard/dns.c index bd5720210fdaf..a574d8dd9aeb8 100644 --- a/ext/standard/dns.c +++ b/ext/standard/dns.c @@ -382,7 +382,7 @@ PHP_FUNCTION(dns_check_record) #endif ZEND_PARSE_PARAMETERS_START(1, 2) - Z_PARAM_STRING(hostname, hostname_len) + Z_PARAM_PATH(hostname, hostname_len) Z_PARAM_OPTIONAL Z_PARAM_STR(rectype) ZEND_PARSE_PARAMETERS_END(); @@ -829,7 +829,7 @@ PHP_FUNCTION(dns_get_record) bool raw = 0; ZEND_PARSE_PARAMETERS_START(1, 5) - Z_PARAM_STRING(hostname, hostname_len) + Z_PARAM_PATH(hostname, hostname_len) Z_PARAM_OPTIONAL Z_PARAM_LONG(type_param) Z_PARAM_ZVAL(authns) @@ -1067,7 +1067,7 @@ PHP_FUNCTION(dns_get_mx) #endif ZEND_PARSE_PARAMETERS_START(2, 3) - Z_PARAM_STRING(hostname, hostname_len) + Z_PARAM_PATH(hostname, hostname_len) Z_PARAM_ZVAL(mx_list) Z_PARAM_OPTIONAL Z_PARAM_ZVAL(weight_list) diff --git a/ext/standard/dns_win32.c b/ext/standard/dns_win32.c index b320b66b6a788..1f7c6c0146e47 100644 --- a/ext/standard/dns_win32.c +++ b/ext/standard/dns_win32.c @@ -32,7 +32,7 @@ PHP_FUNCTION(dns_get_mx) /* {{{ */ DNS_STATUS status; /* Return value of DnsQuery_A() function */ PDNS_RECORD pResult, pRec; /* Pointer to DNS_RECORD structure */ - if (zend_parse_parameters(ZEND_NUM_ARGS(), "sz|z", &hostname, &hostname_len, &mx_list, &weight_list) == FAILURE) { + if (zend_parse_parameters(ZEND_NUM_ARGS(), "pz|z", &hostname, &hostname_len, &mx_list, &weight_list) == FAILURE) { RETURN_THROWS(); } @@ -86,7 +86,7 @@ PHP_FUNCTION(dns_check_record) DNS_STATUS status; /* Return value of DnsQuery_A() function */ PDNS_RECORD pResult; /* Pointer to DNS_RECORD structure */ - if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|S", &hostname, &hostname_len, &rectype) == FAILURE) { + if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|S", &hostname, &hostname_len, &rectype) == FAILURE) { RETURN_THROWS(); } @@ -343,7 +343,7 @@ PHP_FUNCTION(dns_get_record) int type, type_to_fetch, first_query = 1, store_results = 1; bool raw = false; - if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|lz!z!b", + if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|lz!z!b", &hostname, &hostname_len, &type_param, &authns, &addtl, &raw) == FAILURE) { RETURN_THROWS(); } diff --git a/ext/standard/tests/array/GHSA-h96m-rvf9-jgm2.phpt b/ext/standard/tests/array/GHSA-h96m-rvf9-jgm2.phpt new file mode 100644 index 0000000000000..2e3e85357e13c --- /dev/null +++ b/ext/standard/tests/array/GHSA-h96m-rvf9-jgm2.phpt @@ -0,0 +1,16 @@ +--TEST-- +GHSA-h96m-rvf9-jgm2 +--FILE-- +getMessage(), "\n"; +} + +?> +--EXPECTF-- +The total number of elements must be lower than %d diff --git a/ext/standard/tests/network/ghsa-www2-q4fc-65wf.phpt b/ext/standard/tests/network/ghsa-www2-q4fc-65wf.phpt new file mode 100644 index 0000000000000..3d082c8e95226 --- /dev/null +++ b/ext/standard/tests/network/ghsa-www2-q4fc-65wf.phpt @@ -0,0 +1,62 @@ +--TEST-- +GHSA-www2-q4fc-65wf +--DESCRIPTION-- +This is a ZPP test but *keep* this as it is security-sensitive! +--FILE-- +getMessage(), "\n"; +} +try { + dns_get_mx("\0", $out); +} catch (ValueError $e) { + echo $e->getMessage(), "\n"; +} +try { + dns_get_record("\0"); +} catch (ValueError $e) { + echo $e->getMessage(), "\n"; +} +try { + getprotobyname("\0"); +} catch (ValueError $e) { + echo $e->getMessage(), "\n"; +} +try { + getservbyname("\0", "tcp"); +} catch (ValueError $e) { + echo $e->getMessage(), "\n"; +} +try { + getservbyname("x", "tcp\0"); +} catch (ValueError $e) { + echo $e->getMessage(), "\n"; +} +try { + getservbyport(0, "tcp\0"); +} catch (ValueError $e) { + echo $e->getMessage(), "\n"; +} +try { + inet_pton("\0"); +} catch (ValueError $e) { + echo $e->getMessage(), "\n"; +} +try { + ip2long("\0"); +} catch (ValueError $e) { + echo $e->getMessage(), "\n"; +} +?> +--EXPECT-- +dns_check_record(): Argument #1 ($hostname) must not contain any null bytes +dns_get_mx(): Argument #1 ($hostname) must not contain any null bytes +dns_get_record(): Argument #1 ($hostname) must not contain any null bytes +getprotobyname(): Argument #1 ($protocol) must not contain any null bytes +getservbyname(): Argument #1 ($service) must not contain any null bytes +getservbyname(): Argument #2 ($protocol) must not contain any null bytes +getservbyport(): Argument #2 ($protocol) must not contain any null bytes +inet_pton(): Argument #1 ($ip) must not contain any null bytes +ip2long(): Argument #1 ($ip) must not contain any null bytes