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sqlite3: fix CVE-2021-36690

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refer:
https://nvd.nist.gov/vuln/detail/CVE-2021-36690
https://www.sqlite.org/forum/forumpost/718c0a8d17
https://sqlite.org/src/info/b1e0c22ec981cf5f

(From OE-Core rev: b0c311d784e939342c4bfa771790a0113fc7a704)

Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Changqing Li 2021-09-14 12:35:50 +08:00 committed by Richard Purdie
parent 7de4e6b582
commit a5e9dd4bc6
2 changed files with 65 additions and 1 deletions
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62
meta/recipes-support/sqlite/sqlite3/CVE-2021-36690.patch Normal file
View File

@ -0,0 +1,62 @@
From c286324a7ff1e98355b638fb821614a65ee03c0c Mon Sep 17 00:00:00 2001
From: Changqing Li <changqing.li@windriver.com>
Date: Tue, 14 Sep 2021 11:28:54 +0800
Subject: [PATCH] Fix an issue with the SQLite Expert extension when a column
has no collating sequence. Forum post 78165fa250.
Upstream-Status: Backport [https://sqlite.org/src/info/b1e0c22ec981cf5f]
CVE: CVE-2021-36690
Signed-off-by: Changqing Li <changqing.li@windriver.com>
---
shell.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/shell.c b/shell.c
index de8a665..69a5c05 100644
--- a/shell.c
+++ b/shell.c
@@ -9054,11 +9054,13 @@ static int idxGetTableInfo(
rc = idxPrintfPrepareStmt(db, &p1, pzErrmsg, "PRAGMA table_xinfo=%Q", zTab);
while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(p1) ){
const char *zCol = (const char*)sqlite3_column_text(p1, 1);
+ const char *zColSeq = 0;
nByte += 1 + STRLEN(zCol);
rc = sqlite3_table_column_metadata(
- db, "main", zTab, zCol, 0, &zCol, 0, 0, 0
+ db, "main", zTab, zCol, 0, &zColSeq, 0, 0, 0
);
- nByte += 1 + STRLEN(zCol);
+ if( zColSeq==0 ) zColSeq = "binary";
+ nByte += 1 + STRLEN(zColSeq);
nCol++;
nPk += (sqlite3_column_int(p1, 5)>0);
}
@@ -9078,6 +9080,7 @@ static int idxGetTableInfo(
nCol = 0;
while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(p1) ){
const char *zCol = (const char*)sqlite3_column_text(p1, 1);
+ const char *zColSeq = 0;
int nCopy = STRLEN(zCol) + 1;
pNew->aCol[nCol].zName = pCsr;
pNew->aCol[nCol].iPk = (sqlite3_column_int(p1, 5)==1 && nPk==1);
@@ -9085,12 +9088,13 @@ static int idxGetTableInfo(
pCsr += nCopy;
rc = sqlite3_table_column_metadata(
- db, "main", zTab, zCol, 0, &zCol, 0, 0, 0
+ db, "main", zTab, zCol, 0, &zColSeq, 0, 0, 0
);
if( rc==SQLITE_OK ){
- nCopy = STRLEN(zCol) + 1;
+ if( zColSeq==0 ) zColSeq = "binary";
+ nCopy = STRLEN(zColSeq) + 1;
pNew->aCol[nCol].zColl = pCsr;
- memcpy(pCsr, zCol, nCopy);
+ memcpy(pCsr, zColSeq, nCopy);
pCsr += nCopy;
}
--
2.17.1

4
meta/recipes-support/sqlite/sqlite3_3.35.0.bb
View File

@ -3,7 +3,9 @@ require sqlite3.inc
LICENSE = "PD"
LIC_FILES_CHKSUM = "file://sqlite3.h;endline=11;md5=786d3dc581eff03f4fd9e4a77ed00c66"
SRC_URI = "http://www.sqlite.org/2021/sqlite-autoconf-${SQLITE_PV}.tar.gz"
SRC_URI = "http://www.sqlite.org/2021/sqlite-autoconf-${SQLITE_PV}.tar.gz \
file://CVE-2021-36690.patch \
"
SRC_URI[sha256sum] = "3dfb3f143c83695a555c7dd9e06ed924f9d273c287989874e102656724baf2d0"
# -19242 is only an issue in specific development branch commits