libtiff/libtiff-CVE-2016-10271_10272.patch

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Diff

From 9657bbe3cdce4aaa90e07d50c1c70ae52da0ba6a Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Sat, 3 Dec 2016 11:35:56 +0000
Subject: [PATCH] * tools/tiffcrop.c: fix readContigStripsIntoBuffer() in -i
(ignore) mode so that the output buffer is correctly incremented to avoid
write outside bounds. Reported by Agostino Sarubbo. Fixes
http://bugzilla.maptools.org/show_bug.cgi?id=2620
---
tools/tiffcrop.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c
index b87a77a..70a71e1 100644
--- a/tools/tiffcrop.c
+++ b/tools/tiffcrop.c
@@ -3698,7 +3698,7 @@ static int readContigStripsIntoBuffer (TIFF* in, uint8* buf)
(unsigned long) strip, (unsigned long)rows);
return 0;
}
- bufp += bytes_read;
+ bufp += stripsize;
}
return 1;
--
2.7.4