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libreoffice/SOURCES/0003-CVE-2023-6186-default-...

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From ae89e7b8ae1e781c1a9d8ca2c5d4aeca656932f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolan.mcnamara@collabora.com>
Date: Fri, 3 Nov 2023 17:26:25 +0000
Subject: [PATCH] default to ignoring libreoffice special-purpose protocols in
calc hyperlink
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Change-Id: Ib9f62be3acc05f24ca234dec0fec21e24579e9de
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/158911
Tested-by: Jenkins
Tested-by: Caolán McNamara <caolan.mcnamara@collabora.com>
Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>
(cherry picked from commit b6062623b4d69c79e90e9365ac7c5e7f11986793)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159045
Reviewed-by: Eike Rathke <erack@redhat.com>
Signed-off-by: Xisco Fauli <xiscofauli@libreoffice.org>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159882
Tested-by: Miklos Vajna <vmiklos@collabora.com>
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
Signed-off-by: Xisco Fauli <xiscofauli@libreoffice.org>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159912
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>
erAck: backported to 6.4.7.2
---
dbaccess/source/core/dataaccess/ModelImpl.cxx | 3 +-
include/sfx2/docmacromode.hxx | 5 ++-
include/sfx2/objsh.hxx | 3 ++
sc/source/core/data/global.cxx | 33 ++++++++++++++++++-
sfx2/source/doc/docmacromode.cxx | 8 +++--
sfx2/source/doc/objmisc.cxx | 8 ++++-
sfx2/source/doc/objxtor.cxx | 1 +
sfx2/source/inc/objshimp.hxx | 3 +-
8 files changed, 57 insertions(+), 7 deletions(-)
diff --git a/dbaccess/source/core/dataaccess/ModelImpl.cxx b/dbaccess/source/core/dataaccess/ModelImpl.cxx
index 1f11f36..ce4dbae 100644
--- a/dbaccess/source/core/dataaccess/ModelImpl.cxx
+++ b/dbaccess/source/core/dataaccess/ModelImpl.cxx
@@ -1140,7 +1140,8 @@ bool ODatabaseModelImpl::checkMacrosOnLoading()
{
Reference< XInteractionHandler > xInteraction;
xInteraction = m_aMediaDescriptor.getOrDefault( "InteractionHandler", xInteraction );
- return m_aMacroMode.checkMacrosOnLoading( xInteraction );
+ const bool bHasMacros = m_aMacroMode.hasMacros();
+ return m_aMacroMode.checkMacrosOnLoading(xInteraction, bHasMacros);
}
void ODatabaseModelImpl::resetMacroExecutionMode()
diff --git a/include/sfx2/docmacromode.hxx b/include/sfx2/docmacromode.hxx
index a15bbbe..98b7d3a 100644
--- a/include/sfx2/docmacromode.hxx
+++ b/include/sfx2/docmacromode.hxx
@@ -260,6 +260,8 @@ namespace sfx2
*/
static bool storageHasMacros( const css::uno::Reference< css::embed::XStorage >& _rxStorage );
+ bool hasMacros() const;
+
static bool containerHasBasicMacros( const css::uno::Reference< css::script::XLibraryContainer >& xContainter );
/** checks the macro execution mode while loading the document.
@@ -286,7 +288,8 @@ namespace sfx2
*/
bool
checkMacrosOnLoading(
- const css::uno::Reference< css::task::XInteractionHandler >& _rxInteraction
+ const css::uno::Reference< css::task::XInteractionHandler >& _rxInteraction,
+ bool bHasMacros
);
private:
diff --git a/include/sfx2/objsh.hxx b/include/sfx2/objsh.hxx
index 2a56ebe..43df460 100644
--- a/include/sfx2/objsh.hxx
+++ b/include/sfx2/objsh.hxx
@@ -418,6 +418,9 @@ public:
void SetMacroCallsSeenWhileLoading();
bool GetMacroCallsSeenWhileLoading() const;
+ // true if the document had macros (or similar) on load to trigger warning user
+ bool GetHadCheckedMacrosOnLoad() const;
+
const css::uno::Sequence< css::beans::PropertyValue >& GetModifyPasswordInfo() const;
bool SetModifyPasswordInfo( const css::uno::Sequence< css::beans::PropertyValue >& aInfo );
diff --git a/sc/source/core/data/global.cxx b/sc/source/core/data/global.cxx
index 050fd82..92d50c4 100644
--- a/sc/source/core/data/global.cxx
+++ b/sc/source/core/data/global.cxx
@@ -26,7 +26,9 @@
#include <sfx2/docfile.hxx>
#include <sfx2/dispatch.hxx>
#include <sfx2/objsh.hxx>
+#include <sfx2/sfxresid.hxx>
#include <sfx2/sfxsids.hrc>
+#include <sfx2/strings.hrc>
#include <sfx2/viewfrm.hxx>
#include <sfx2/viewsh.hxx>
#include <svl/intitem.hxx>
@@ -789,7 +791,7 @@ void ScGlobal::OpenURL(const OUString& rURL, const OUString& rTarget, bool bIgno
OUString aUrlName( rURL );
SfxViewFrame* pFrame = nullptr;
- const SfxObjectShell* pObjShell = nullptr;
+ SfxObjectShell* pObjShell = nullptr;
OUString aReferName;
if ( pScActiveViewShell )
{
@@ -823,6 +825,35 @@ void ScGlobal::OpenURL(const OUString& rURL, const OUString& rTarget, bool bIgno
aUrlName = aNewUrlName;
}
+ if (INetURLObject(aUrlName).IsExoticProtocol())
+ {
+ // Default to ignoring exotic protocols
+ bool bAllow = false;
+ if (pObjShell)
+ {
+ // If the document had macros when loaded then follow the allowed macro-mode
+ if (pObjShell->GetHadCheckedMacrosOnLoad())
+ bAllow = pObjShell->AdjustMacroMode();
+ else // otherwise ask the user, defaulting to cancel
+ {
+ assert(pFrame && "if we have pObjShell we have pFrame");
+ //Reuse URITools::onOpenURI warning string
+ std::unique_ptr<weld::MessageDialog> xQueryBox(Application::CreateMessageDialog(pFrame->GetFrameWeld(),
+ VclMessageType::Warning, VclButtonsType::YesNo,
+ SfxResId(STR_DANGEROUS_TO_OPEN)));
+ xQueryBox->set_primary_text(xQueryBox->get_primary_text().replaceFirst("$(ARG1)",
+ INetURLObject::decode(aUrlName, INetURLObject::DecodeMechanism::Unambiguous)));
+ xQueryBox->set_default_response(RET_NO);
+ bAllow = xQueryBox->run() == RET_YES;
+ }
+ }
+ if (!bAllow)
+ {
+ SAL_WARN("sc", "ScGlobal::OpenURL ignoring: " << aUrlName);
+ return;
+ }
+ }
+
SfxStringItem aUrl( SID_FILE_NAME, aUrlName );
SfxStringItem aTarget( SID_TARGETNAME, rTarget );
if ( nScClickMouseModifier & KEY_SHIFT ) // control-click -> into new window
diff --git a/sfx2/source/doc/docmacromode.cxx b/sfx2/source/doc/docmacromode.cxx
index 492bd0a..7f1fb2b 100644
--- a/sfx2/source/doc/docmacromode.cxx
+++ b/sfx2/source/doc/docmacromode.cxx
@@ -391,8 +391,12 @@ namespace sfx2
return bHasMacros;
}
+ bool DocumentMacroMode::hasMacros() const
+ {
+ return m_xData->m_rDocumentAccess.documentStorageHasMacros() || hasMacroLibrary() || m_xData->m_rDocumentAccess.macroCallsSeenWhileLoading();
+ }
- bool DocumentMacroMode::checkMacrosOnLoading( const Reference< XInteractionHandler >& rxInteraction )
+ bool DocumentMacroMode::checkMacrosOnLoading( const Reference< XInteractionHandler >& rxInteraction, bool bHasMacros )
{
bool bAllow = false;
if ( SvtSecurityOptions().IsMacroDisabled() )
@@ -402,7 +406,7 @@ namespace sfx2
}
else
{
- if (m_xData->m_rDocumentAccess.documentStorageHasMacros() || hasMacroLibrary() || m_xData->m_rDocumentAccess.macroCallsSeenWhileLoading())
+ if (bHasMacros)
{
bAllow = adjustMacroMode( rxInteraction );
}
diff --git a/sfx2/source/doc/objmisc.cxx b/sfx2/source/doc/objmisc.cxx
index 6819404..fac75dd 100644
--- a/sfx2/source/doc/objmisc.cxx
+++ b/sfx2/source/doc/objmisc.cxx
@@ -953,9 +953,15 @@ void SfxObjectShell::CheckSecurityOnLoading_Impl()
CheckEncryption_Impl( xInteraction );
// check macro security
- pImpl->aMacroMode.checkMacrosOnLoading( xInteraction );
+ const bool bHasMacros = pImpl->aMacroMode.hasMacros();
+ pImpl->aMacroMode.checkMacrosOnLoading( xInteraction, bHasMacros );
+ pImpl->m_bHadCheckedMacrosOnLoad = bHasMacros;
}
+bool SfxObjectShell::GetHadCheckedMacrosOnLoad() const
+{
+ return pImpl->m_bHadCheckedMacrosOnLoad;
+}
void SfxObjectShell::CheckEncryption_Impl( const uno::Reference< task::XInteractionHandler >& xHandler )
{
diff --git a/sfx2/source/doc/objxtor.cxx b/sfx2/source/doc/objxtor.cxx
index 510c35d..a707bb7 100644
--- a/sfx2/source/doc/objxtor.cxx
+++ b/sfx2/source/doc/objxtor.cxx
@@ -237,6 +237,7 @@ SfxObjectShell_Impl::SfxObjectShell_Impl( SfxObjectShell& _rDocShell )
,m_bAllowShareControlFileClean( true )
,m_bConfigOptionsChecked( false )
,m_bMacroCallsSeenWhileLoading( false )
+ ,m_bHadCheckedMacrosOnLoad( false )
,lErr(ERRCODE_NONE)
,nEventId ( SfxEventHintId::NONE )
,nLoadedFlags ( SfxLoadedFlags::ALL )
diff --git a/sfx2/source/inc/objshimp.hxx b/sfx2/source/inc/objshimp.hxx
index 3d7b0b6..4afdd70 100644
--- a/sfx2/source/inc/objshimp.hxx
+++ b/sfx2/source/inc/objshimp.hxx
@@ -91,7 +91,8 @@ struct SfxObjectShell_Impl : public ::sfx2::IMacroDocumentAccess
m_bSharedXMLFlag:1, // whether the document should be edited in shared mode
m_bAllowShareControlFileClean:1, // whether the flag should be stored in xml file
m_bConfigOptionsChecked:1, // whether or not the user options are checked after the Options dialog is closed.
- m_bMacroCallsSeenWhileLoading:1; // whether or not the user options are checked after the Options dialog is closed.
+ m_bMacroCallsSeenWhileLoading:1, // whether or not macro calls were seen when loading document.
+ m_bHadCheckedMacrosOnLoad:1; // if document contained macros (or calls) when loaded
IndexBitSet aBitSet;
ErrCode lErr;
--
2.43.0
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