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php7-CVE-2022-31631.patch
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File php7-CVE-2022-31631.patch of Package php7
Index: php-7.4.33/ext/pdo_sqlite/sqlite_driver.c =================================================================== --- php-7.4.33.orig/ext/pdo_sqlite/sqlite_driver.c +++ php-7.4.33/ext/pdo_sqlite/sqlite_driver.c @@ -233,6 +233,9 @@ static char *pdo_sqlite_last_insert_id(p /* NB: doesn't handle binary strings... use prepared stmts for that */ static int sqlite_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, size_t unquotedlen, char **quoted, size_t *quotedlen, enum pdo_param_type paramtype ) { + if (unquotedlen > (INT_MAX - 3) / 2) { + return 0; + } *quoted = safe_emalloc(2, unquotedlen, 3); sqlite3_snprintf(2*unquotedlen + 3, *quoted, "'%q'", unquoted); *quotedlen = strlen(*quoted); Index: php-7.4.33/ext/pdo/pdo_sql_parser.re =================================================================== --- php-7.4.33.orig/ext/pdo/pdo_sql_parser.re +++ php-7.4.33/ext/pdo/pdo_sql_parser.re @@ -257,6 +257,13 @@ safe: if (buf) { zend_string_release_ex(buf, 0); } + if (plc->quoted == NULL) { + /* bork */ + ret = -1; + strncpy(stmt->error_code, stmt->dbh->error_code, 6); + goto clean_up; + } + } else { pdo_raise_impl_error(stmt->dbh, stmt, "HY105", "Expected a stream resource"); ret = -1;
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