sqlite3: Fix CVE-2020-35527

Add patch file to fix CVE-2020-35527

Reference:
http://security.debian.org/debian-security/pool/updates/main/s/sqlite3/sqlite3_3.27.2-3+deb10u2.debian.tar.xz

(From OE-Core rev: 2541fd0d0e2c0919d80d6b0f6262cf2c50fe309b)

Signed-off-by: Virendra Thakur <virendrak@kpit.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 23 insertions, 0 deletions

diff --git a/meta/recipes-support/sqlite/files/CVE-2020-35527.patch b/meta/recipes-support/sqlite/files/CVE-2020-35527.patch
new file mode 100644
index 0000000000..d1dae389b0
--- /dev/null
+++ b/meta/recipes-support/sqlite/files/CVE-2020-35527.patch
@@ -0,0 +1,22 @@
+From: dan <dan@noemail.net>
+Date: Mon, 26 Oct 2020 13:24:36 +0000
+Subject: [PATCH] Fix a problem with ALTER TABLE for views that have a nested
+ FROM clause. Ticket [f50af3e8a565776b].
+
+Upstream-Status: Backport [http://security.debian.org/debian-security/pool/updates/main/s/sqlite3/sqlite3_3.27.2-3+deb10u2.debian.tar.xz]
+CVE: CVE-2020-35527
+Signed-off-by: Virendra Thakur <virendra.thakur@kpit.com>
+---
+Index: sqlite-autoconf-3310100/sqlite3.c
+===================================================================
+--- sqlite-autoconf-3310100.orig/sqlite3.c
++++ sqlite-autoconf-3310100/sqlite3.c
+@@ -133110,7 +133110,7 @@ static int selectExpander(Walker *pWalke
+             pNew = sqlite3ExprListAppend(pParse, pNew, pExpr);
+             sqlite3TokenInit(&sColname, zColname);
+             sqlite3ExprListSetName(pParse, pNew, &sColname, 0);
+-            if( pNew && (p->selFlags & SF_NestedFrom)!=0 ){
++            if( pNew && (p->selFlags & SF_NestedFrom)!=0 && !IN_RENAME_OBJECT ){
+               struct ExprList_item *pX = &pNew->a[pNew->nExpr-1];
+               sqlite3DbFree(db, pX->zEName);
+               if( pSub ){
diff --git a/meta/recipes-support/sqlite/sqlite3_3.31.1.bb b/meta/recipes-support/sqlite/sqlite3_3.31.1.bb
index 48051593e4..d9e98c9120 100644
--- a/meta/recipes-support/sqlite/sqlite3_3.31.1.bb
+++ b/meta/recipes-support/sqlite/sqlite3_3.31.1.bb
@@ -15,6 +15,7 @@ SRC_URI = "http://www.sqlite.org/2020/sqlite-autoconf-${SQLITE_PV}.tar.gz \
            file://CVE-2020-13632.patch \
            file://CVE-2022-35737.patch \
            file://CVE-2020-35525.patch \
+           file://CVE-2020-35527.patch \
            "
 SRC_URI[md5sum] = "2d0a553534c521504e3ac3ad3b90f125"
 SRC_URI[sha256sum] = "62284efebc05a76f909c580ffa5c008a7d22a1287285d68b7825a2b6b51949ae"