dcraw/SOURCES/dcraw-CVE-2017-14608.patch

22 lines
602 B
Diff

diff -urNp old/dcraw.c new/dcraw.c
--- old/dcraw.c 2018-07-11 10:53:51.141803505 +0200
+++ new/dcraw.c 2018-07-11 11:30:08.850528389 +0200
@@ -2627,8 +2627,15 @@ void CLASS kodak_65000_load_raw()
len = MIN (256, width-col);
ret = kodak_65000_decode (buf, len);
for (i=0; i < len; i++)
- if ((RAW(row,col+i) = curve[ret ? buf[i] :
- (pred[i & 1] += buf[i])]) >> 12) derror();
+ {
+ int idx = ret ? buf[i] : (pred[i & 1] += buf[i]);
+ if(idx >=0 && idx <= 0xffff)
+ {
+ if ((RAW(row,col+i) = curve[idx]) >> 12) derror();
+ }
+ else
+ derror();
+ }
}
}