From f30f363ff03e1ae8cb247b3996541e497b084100 Mon Sep 17 00:00:00 2001 From: Jan Grulich Date: Wed, 8 Feb 2023 13:45:43 +0100 Subject: [PATCH] Fix possible DOS involving the Qt SQL ODBC driver plugin CVE-2023-24607 --- CVE-2023-24607-qtbase-6.4.patch | 334 ++++++++++++++++++++++++++++++++ qt6-qtbase.spec | 8 +- 2 files changed, 340 insertions(+), 2 deletions(-) create mode 100644 CVE-2023-24607-qtbase-6.4.patch diff --git a/CVE-2023-24607-qtbase-6.4.patch b/CVE-2023-24607-qtbase-6.4.patch new file mode 100644 index 0000000..cd9cdf2 --- /dev/null +++ b/CVE-2023-24607-qtbase-6.4.patch @@ -0,0 +1,334 @@ +--- a/src/plugins/sqldrivers/odbc/qsql_odbc.cpp ++++ b/src/plugins/sqldrivers/odbc/qsql_odbc.cpp +@@ -58,23 +58,39 @@ inline static QString fromSQLTCHAR(const QVarLengthArray& input, qsize + return result; + } + ++template ++void toSQLTCHARImpl(QVarLengthArray &result, const QString &input); // primary template undefined ++ ++template ++void do_append(QVarLengthArray &result, const Container &c) ++{ ++ result.append(reinterpret_cast(c.data()), c.size()); ++} ++ ++template <> ++void toSQLTCHARImpl<1>(QVarLengthArray &result, const QString &input) ++{ ++ const auto u8 = input.toUtf8(); ++ do_append(result, u8); ++} ++ ++template <> ++void toSQLTCHARImpl<2>(QVarLengthArray &result, const QString &input) ++{ ++ do_append(result, input); ++} ++ ++template <> ++void toSQLTCHARImpl<4>(QVarLengthArray &result, const QString &input) ++{ ++ const auto u32 = input.toUcs4(); ++ do_append(result, u32); ++} ++ + inline static QVarLengthArray toSQLTCHAR(const QString &input) + { + QVarLengthArray result; +- result.resize(input.size()); +- switch(sizeof(SQLTCHAR)) { +- case 1: +- memcpy(result.data(), input.toUtf8().data(), input.size()); +- break; +- case 2: +- memcpy(result.data(), input.unicode(), input.size() * 2); +- break; +- case 4: +- memcpy(result.data(), input.toUcs4().data(), input.size() * 4); +- break; +- default: +- qCritical("sizeof(SQLTCHAR) is %d. Don't know how to handle this.", int(sizeof(SQLTCHAR))); +- } ++ toSQLTCHARImpl(result, input); + result.append(0); // make sure it's null terminated, doesn't matter if it already is, it does if it isn't. + return result; + } + +--- a/src/plugins/sqldrivers/odbc/qsql_odbc.cpp ++++ b/src/plugins/sqldrivers/odbc/qsql_odbc.cpp +@@ -1740,10 +1740,11 @@ bool QODBCResult::exec() + case QMetaType::QString: + if (d->unicode) { + if (bindValueType(i) & QSql::Out) { +- const QByteArray &first = tmpStorage.at(i); +- QVarLengthArray array; +- array.append((const SQLTCHAR *)first.constData(), first.size()); +- values[i] = fromSQLTCHAR(array, first.size()/sizeof(SQLTCHAR)); ++ const QByteArray &bytes = tmpStorage.at(i); ++ const auto strSize = bytes.size() / sizeof(SQLTCHAR); ++ QVarLengthArray string(strSize); ++ memcpy(string.data(), bytes.data(), strSize * sizeof(SQLTCHAR)); ++ values[i] = fromSQLTCHAR(string); + } + break; + } + + +--- a/src/plugins/sqldrivers/odbc/qsql_odbc.cpp ++++ b/src/plugins/sqldrivers/odbc/qsql_odbc.cpp +@@ -745,6 +745,14 @@ QChar QODBCDriverPrivate::quoteChar() + return quote; + } + ++static SQLRETURN qt_string_SQLSetConnectAttr(SQLHDBC handle, SQLINTEGER attr, const QString &val) ++{ ++ auto encoded = toSQLTCHAR(val); ++ return SQLSetConnectAttr(handle, attr, ++ encoded.data(), ++ SQLINTEGER(encoded.size() * sizeof(SQLTCHAR))); // size in bytes ++} ++ + + bool QODBCDriverPrivate::setConnectionOptions(const QString& connOpts) + { +@@ -780,10 +788,7 @@ bool QODBCDriverPrivate::setConnectionOptions(const QString& connOpts) + v = val.toUInt(); + r = SQLSetConnectAttr(hDbc, SQL_ATTR_LOGIN_TIMEOUT, (SQLPOINTER) size_t(v), 0); + } else if (opt.toUpper() == "SQL_ATTR_CURRENT_CATALOG"_L1) { +- val.utf16(); // 0 terminate +- r = SQLSetConnectAttr(hDbc, SQL_ATTR_CURRENT_CATALOG, +- toSQLTCHAR(val).data(), +- SQLINTEGER(val.length() * sizeof(SQLTCHAR))); ++ r = qt_string_SQLSetConnectAttr(hDbc, SQL_ATTR_CURRENT_CATALOG, val); + } else if (opt.toUpper() == "SQL_ATTR_METADATA_ID"_L1) { + if (val.toUpper() == "SQL_TRUE"_L1) { + v = SQL_TRUE; +@@ -798,10 +803,7 @@ bool QODBCDriverPrivate::setConnectionOptions(const QString& connOpts) + v = val.toUInt(); + r = SQLSetConnectAttr(hDbc, SQL_ATTR_PACKET_SIZE, (SQLPOINTER) size_t(v), 0); + } else if (opt.toUpper() == "SQL_ATTR_TRACEFILE"_L1) { +- val.utf16(); // 0 terminate +- r = SQLSetConnectAttr(hDbc, SQL_ATTR_TRACEFILE, +- toSQLTCHAR(val).data(), +- SQLINTEGER(val.length() * sizeof(SQLTCHAR))); ++ r = qt_string_SQLSetConnectAttr(hDbc, SQL_ATTR_TRACEFILE, val); + } else if (opt.toUpper() == "SQL_ATTR_TRACE"_L1) { + if (val.toUpper() == "SQL_OPT_TRACE_OFF"_L1) { + v = SQL_OPT_TRACE_OFF; +@@ -1004,9 +1006,12 @@ bool QODBCResult::reset (const QString& query) + return false; + } + +- r = SQLExecDirect(d->hStmt, +- toSQLTCHAR(query).data(), +- (SQLINTEGER) query.length()); ++ { ++ auto encoded = toSQLTCHAR(query); ++ r = SQLExecDirect(d->hStmt, ++ encoded.data(), ++ SQLINTEGER(encoded.size())); ++ } + if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO && r!= SQL_NO_DATA) { + setLastError(qMakeError(QCoreApplication::translate("QODBCResult", + "Unable to execute statement"), QSqlError::StatementError, d)); +@@ -1355,9 +1360,12 @@ bool QODBCResult::prepare(const QString& query) + return false; + } + +- r = SQLPrepare(d->hStmt, +- toSQLTCHAR(query).data(), +- (SQLINTEGER) query.length()); ++ { ++ auto encoded = toSQLTCHAR(query); ++ r = SQLPrepare(d->hStmt, ++ encoded.data(), ++ SQLINTEGER(encoded.size())); ++ } + + if (r != SQL_SUCCESS) { + setLastError(qMakeError(QCoreApplication::translate("QODBCResult", +@@ -1385,7 +1393,7 @@ bool QODBCResult::exec() + SQLCloseCursor(d->hStmt); + + QVariantList &values = boundValues(); +- QByteArrayList tmpStorage(values.count(), QByteArray()); // holds temporary buffers ++ QByteArrayList tmpStorage(values.count(), QByteArray()); // targets for SQLBindParameter() + QVarLengthArray indicators(values.count()); + memset(indicators.data(), 0, indicators.size() * sizeof(SQLLEN)); + +@@ -1600,36 +1608,36 @@ bool QODBCResult::exec() + case QMetaType::QString: + if (d->unicode) { + QByteArray &ba = tmpStorage[i]; +- QString str = val.toString(); ++ { ++ const auto encoded = toSQLTCHAR(val.toString()); ++ ba = QByteArray(reinterpret_cast(encoded.data()), ++ encoded.size() * sizeof(SQLTCHAR)); ++ } ++ + if (*ind != SQL_NULL_DATA) +- *ind = str.length() * sizeof(SQLTCHAR); +- const qsizetype strSize = str.length() * sizeof(SQLTCHAR); ++ *ind = ba.size(); + + if (bindValueType(i) & QSql::Out) { +- const QVarLengthArray a(toSQLTCHAR(str)); +- ba = QByteArray((const char *)a.constData(), int(a.size() * sizeof(SQLTCHAR))); + r = SQLBindParameter(d->hStmt, + i + 1, + qParamType[bindValueType(i) & QSql::InOut], + SQL_C_TCHAR, +- strSize > 254 ? SQL_WLONGVARCHAR : SQL_WVARCHAR, ++ ba.size() > 254 ? SQL_WLONGVARCHAR : SQL_WVARCHAR, + 0, // god knows... don't change this! + 0, +- ba.data(), ++ const_cast(ba.constData()), // don't detach + ba.size(), + ind); + break; + } +- ba = QByteArray(reinterpret_cast(toSQLTCHAR(str).constData()), +- int(strSize)); + r = SQLBindParameter(d->hStmt, + i + 1, + qParamType[bindValueType(i) & QSql::InOut], + SQL_C_TCHAR, +- strSize > 254 ? SQL_WLONGVARCHAR : SQL_WVARCHAR, +- strSize, ++ ba.size() > 254 ? SQL_WLONGVARCHAR : SQL_WVARCHAR, ++ ba.size(), + 0, +- const_cast(ba.constData()), ++ const_cast(ba.constData()), // don't detach + ba.size(), + ind); + break; +@@ -1991,14 +1999,16 @@ bool QODBCDriver::open(const QString & db, + SQLSMALLINT cb; + QVarLengthArray connOut(1024); + memset(connOut.data(), 0, connOut.size() * sizeof(SQLTCHAR)); +- r = SQLDriverConnect(d->hDbc, +- NULL, +- toSQLTCHAR(connQStr).data(), +- (SQLSMALLINT)connQStr.length(), +- connOut.data(), +- 1024, +- &cb, +- /*SQL_DRIVER_NOPROMPT*/0); ++ { ++ auto encoded = toSQLTCHAR(connQStr); ++ r = SQLDriverConnect(d->hDbc, ++ nullptr, ++ encoded.data(), SQLSMALLINT(encoded.size()), ++ connOut.data(), ++ 1024, ++ &cb, ++ /*SQL_DRIVER_NOPROMPT*/0); ++ } + + if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) { + setLastError(qMakeError(tr("Unable to connect"), QSqlError::ConnectionError, d)); +@@ -2377,17 +2387,15 @@ QStringList QODBCDriver::tables(QSql::TableType type) const + if (tableType.isEmpty()) + return tl; + +- QString joinedTableTypeString = tableType.join(u','); ++ { ++ auto joinedTableTypeString = toSQLTCHAR(tableType.join(u',')); + +- r = SQLTables(hStmt, +- NULL, +- 0, +- NULL, +- 0, +- NULL, +- 0, +- toSQLTCHAR(joinedTableTypeString).data(), +- joinedTableTypeString.length() /* characters, not bytes */); ++ r = SQLTables(hStmt, ++ nullptr, 0, ++ nullptr, 0, ++ nullptr, 0, ++ joinedTableTypeString.data(), joinedTableTypeString.size()); ++ } + + if (r != SQL_SUCCESS) + qSqlWarning("QODBCDriver::tables Unable to execute table list"_L1, d); +@@ -2460,28 +2468,30 @@ QSqlIndex QODBCDriver::primaryIndex(const QString& tablename) const + SQL_ATTR_CURSOR_TYPE, + (SQLPOINTER)SQL_CURSOR_FORWARD_ONLY, + SQL_IS_UINTEGER); +- r = SQLPrimaryKeys(hStmt, +- catalog.length() == 0 ? NULL : toSQLTCHAR(catalog).data(), +- catalog.length(), +- schema.length() == 0 ? NULL : toSQLTCHAR(schema).data(), +- schema.length(), +- toSQLTCHAR(table).data(), +- table.length() /* in characters, not in bytes */); ++ { ++ auto c = toSQLTCHAR(catalog); ++ auto s = toSQLTCHAR(schema); ++ auto t = toSQLTCHAR(table); ++ r = SQLPrimaryKeys(hStmt, ++ catalog.isEmpty() ? nullptr : c.data(), c.size(), ++ schema.isEmpty() ? nullptr : s.data(), s.size(), ++ t.data(), t.size()); ++ } + + // if the SQLPrimaryKeys() call does not succeed (e.g the driver + // does not support it) - try an alternative method to get hold of + // the primary index (e.g MS Access and FoxPro) + if (r != SQL_SUCCESS) { +- r = SQLSpecialColumns(hStmt, +- SQL_BEST_ROWID, +- catalog.length() == 0 ? NULL : toSQLTCHAR(catalog).data(), +- catalog.length(), +- schema.length() == 0 ? NULL : toSQLTCHAR(schema).data(), +- schema.length(), +- toSQLTCHAR(table).data(), +- table.length(), +- SQL_SCOPE_CURROW, +- SQL_NULLABLE); ++ auto c = toSQLTCHAR(catalog); ++ auto s = toSQLTCHAR(schema); ++ auto t = toSQLTCHAR(table); ++ r = SQLSpecialColumns(hStmt, ++ SQL_BEST_ROWID, ++ catalog.isEmpty() ? nullptr : c.data(), c.size(), ++ schema.isEmpty() ? nullptr : s.data(), s.size(), ++ t.data(), t.size(), ++ SQL_SCOPE_CURROW, ++ SQL_NULLABLE); + + if (r != SQL_SUCCESS) { + qSqlWarning("QODBCDriver::primaryIndex: Unable to execute primary key list"_L1, d); +@@ -2562,15 +2572,17 @@ QSqlRecord QODBCDriver::record(const QString& tablename) const + SQL_ATTR_CURSOR_TYPE, + (SQLPOINTER)SQL_CURSOR_FORWARD_ONLY, + SQL_IS_UINTEGER); +- r = SQLColumns(hStmt, +- catalog.length() == 0 ? NULL : toSQLTCHAR(catalog).data(), +- catalog.length(), +- schema.length() == 0 ? NULL : toSQLTCHAR(schema).data(), +- schema.length(), +- toSQLTCHAR(table).data(), +- table.length(), +- NULL, +- 0); ++ { ++ auto c = toSQLTCHAR(catalog); ++ auto s = toSQLTCHAR(schema); ++ auto t = toSQLTCHAR(table); ++ r = SQLColumns(hStmt, ++ catalog.isEmpty() ? nullptr : c.data(), c.size(), ++ schema.isEmpty() ? nullptr : s.data(), s.size(), ++ t.data(), t.size(), ++ nullptr, ++ 0); ++ } + if (r != SQL_SUCCESS) + qSqlWarning("QODBCDriver::record: Unable to execute column list"_L1, d); + diff --git a/qt6-qtbase.spec b/qt6-qtbase.spec index 8eb9e78..62723a4 100644 --- a/qt6-qtbase.spec +++ b/qt6-qtbase.spec @@ -39,7 +39,7 @@ BuildRequires: pkgconfig(libsystemd) Name: qt6-qtbase Summary: Qt6 - QtBase components Version: 6.4.2 -Release: 3%{?dist} +Release: 4%{?dist} License: LGPL-3.0-only OR GPL-3.0-only WITH Qt-GPL-exception-1.0 Url: http://qt-project.org/ @@ -98,7 +98,7 @@ Patch58: qtbase-libglvnd.patch Patch90: qtbase-gcc11.patch ## upstream patches - +Patch100: CVE-2023-24607-qtbase-6.4.patch # Do not check any files in %%{_qt6_plugindir}/platformthemes/ for requires. # Those themes are there for platform integration. If the required libraries are @@ -843,6 +843,10 @@ make check -k ||: %changelog +* Wed Feb 08 2023 Jan Grulich - 6.4.2-4 +- Fix possible DOS involving the Qt SQL ODBC driver plugin + CVE-2023-24607 + * Tue Jan 31 2023 Jan Grulich - 6.4.2-3 - migrated to SPDX license