blob: 4fe5bcd6c715c6b95fcfbe84ab6c7a11a8c1a198 [file] [log] [blame]
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
Upstream-Status: Backport
CVE: CVE-2016-10271
Signed-off-by: Rajkumar Veer <rveer@mvista.com>
---
ChangeLog | 7 +++++++
tools/tiffcrop.c | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)
Index: tiff-4.0.7/tools/tiffcrop.c
===================================================================
--- tiff-4.0.7.orig/tools/tiffcrop.c
+++ tiff-4.0.7/tools/tiffcrop.c
@@ -3698,7 +3698,7 @@ static int readContigStripsIntoBuffer (T
(unsigned long) strip, (unsigned long)rows);
return 0;
}
- bufp += bytes_read;
+ bufp += stripsize;
}
return 1;