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sqlite: Fix CVE-2020-11656

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This was taken from d09f8c3621d5f7f8 and b64674919f673602 in SQLite,
ref: https://www3.sqlite.org/cgi/src/info/d09f8c3621d5f7f8
https://www.sqlite.org/cgi/src/info/b64674919f673602

[ChangeLog][QtSQL][sqlite] Fixed CVE-2020-11656

Fixes: QTBUG-83652
Change-Id: I99bd59dc10b753ff19822c902dff1fc339d330a8
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
This commit is contained in:
Andy Shaw 2020-04-20 10:49:57 +02:00
parent 441ea6be15
commit 3e6089b695
2 changed files with 80 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
src/3rdparty/sqlite/patches/0003-sqlite-Fix-CVE-2020-11656.patch vendored Normal file
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@ -0,0 +1,63 @@
From 99cdbed3bb5368ae2ec80d15635a2dd57961310c Mon Sep 17 00:00:00 2001
From: Andy Shaw <andy.shaw@qt.io>
Date: Mon, 20 Apr 2020 10:49:57 +0200
Subject: [PATCH] sqlite: Fix CVE-2020-11656
This was taken from d09f8c3621d5f7f8 and b64674919f673602 in SQLite,
ref: https://www3.sqlite.org/cgi/src/info/d09f8c3621d5f7f8
https://www.sqlite.org/cgi/src/info/b64674919f673602
[ChangeLog][QtSQL][sqlite] Fixed CVE-2020-11656
Fixes: QTBUG-83652
Change-Id: I99bd59dc10b753ff19822c902dff1fc339d330a8
---
src/3rdparty/sqlite/sqlite3.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/src/3rdparty/sqlite/sqlite3.c b/src/3rdparty/sqlite/sqlite3.c
index 054be43d95..6ff9ba42aa 100644
--- a/src/3rdparty/sqlite/sqlite3.c
+++ b/src/3rdparty/sqlite/sqlite3.c
@@ -97945,7 +97945,7 @@ static int resolveOrderByTermToExprList(
nc.nErr = 0;
db = pParse->db;
savedSuppErr = db->suppressErr;
- db->suppressErr = 1;
+ if( IN_RENAME_OBJECT==0 ) db->suppressErr = 1;
rc = sqlite3ResolveExprNames(&nc, pE);
db->suppressErr = savedSuppErr;
if( rc ) return 0;
@@ -105383,6 +105383,21 @@ static void renameWalkWith(Walker *pWalker, Select *pSelect){
}
}
+/*
+** Unmap all tokens in the IdList object passed as the second argument.
+*/
+static void unmapColumnIdlistNames(
+ Parse *pParse,
+ IdList *pIdList
+){
+ if( pIdList ){
+ int ii;
+ for(ii=0; ii<pIdList->nId; ii++){
+ sqlite3RenameTokenRemap(pParse, 0, (void*)pIdList->a[ii].zName);
+ }
+ }
+}
+
/*
** Walker callback used by sqlite3RenameExprUnmap().
*/
@@ -105404,6 +105419,7 @@ static int renameUnmapSelectCb(Walker *pWalker, Select *p){
for(i=0; i<pSrc->nSrc; i++){
sqlite3RenameTokenRemap(pParse, 0, (void*)pSrc->a[i].zName);
if( sqlite3WalkExpr(pWalker, pSrc->a[i].pOn) ) return WRC_Abort;
+ unmapColumnIdlistNames(pParse, pSrc->a[i].pUsing);
}
}
--
2.24.2 (Apple Git-127)

18
src/3rdparty/sqlite/sqlite3.c vendored
View File

@ -97945,7 +97945,7 @@ static int resolveOrderByTermToExprList(
nc.nErr = 0;
db = pParse->db;
savedSuppErr = db->suppressErr;
db->suppressErr = 1;
if( IN_RENAME_OBJECT==0 ) db->suppressErr = 1;
rc = sqlite3ResolveExprNames(&nc, pE);
db->suppressErr = savedSuppErr;
if( rc ) return 0;
@ -105383,6 +105383,21 @@ static void renameWalkWith(Walker *pWalker, Select *pSelect){
}
}
/*
** Unmap all tokens in the IdList object passed as the second argument.
*/
static void unmapColumnIdlistNames(
Parse *pParse,
IdList *pIdList
){
if( pIdList ){
int ii;
for(ii=0; ii<pIdList->nId; ii++){
sqlite3RenameTokenRemap(pParse, 0, (void*)pIdList->a[ii].zName);
}
}
}
/*
** Walker callback used by sqlite3RenameExprUnmap().
*/
@ -105404,6 +105419,7 @@ static int renameUnmapSelectCb(Walker *pWalker, Select *p){
for(i=0; i<pSrc->nSrc; i++){
sqlite3RenameTokenRemap(pParse, 0, (void*)pSrc->a[i].zName);
if( sqlite3WalkExpr(pWalker, pSrc->a[i].pOn) ) return WRC_Abort;
unmapColumnIdlistNames(pParse, pSrc->a[i].pUsing);
}
}