blob: 681e9d06047d22ea7cef1c05e7037b71e85e508b [file] [log] [blame]
Fix CVE-2017-15286
SQLite 3.20.1 has a NULL pointer dereference in tableColumnList in shell.c
because it fails to consider certain cases where
`sqlite3_step(pStmt)==SQLITE_ROW` is false and a data structure is never
initialized.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=878680
Upstream commit: http://www.sqlite.org/src/info/5d0ceb8dcdef92cd
Index: src/shell.c
==================================================================
--- src/shell.c
+++ src/shell.c
@@ -3807,10 +3807,11 @@
isIPK = 0;
}
}
}
sqlite3_finalize(pStmt);
+ if( azCol==0 ) return 0;
azCol[0] = 0;
azCol[nCol+1] = 0;
/* The decision of whether or not a rowid really needs to be preserved
** is tricky. We never need to preserve a rowid for a WITHOUT ROWID table