libtiff/backport-CVE-2023-38288.patch
zhangpan bfbffa6bc3 fix CVE-2023-38288 CVE-2023-38289
(cherry picked from commit 5267e6307da5e0d44c7462c6f78efd1ea4aae91f)
2023-07-28 15:36:28 +08:00

34 lines
923 B
Diff

From 965fa243004e012adc533ae8e38db3055f101a7f Mon Sep 17 00:00:00 2001
From: Arie Haenel <arie.haenel@jct.ac.il>
Date: Wed, 19 Jul 2023 14:18:12 +0000
Subject: [PATCH] Fix for ticket #591
Reference:https://gitlab.com/libtiff/libtiff/-/merge_requests/515/diffs
Conflict:Adaptation Context
---
tools/tiffcp.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/tools/tiffcp.c b/tools/tiffcp.c
index 57eef90..7120837 100644
--- a/tools/tiffcp.c
+++ b/tools/tiffcp.c
@@ -1577,6 +1577,13 @@ DECLAREreadFunc(readSeparateTilesIntoBuffer)
TIFFError(TIFFFileName(in), "Error, cannot handle that much samples per tile row (Tile Width * Samples/Pixel)");
return 0;
}
+
+ if ( (imagew - tilew * spp) > INT_MAX ){
+ TIFFError(TIFFFileName(in),
+ "Error, image raster scan line size is too large");
+ return 0;
+ }
+
iskew = imagew - tilew*spp;
tilebuf = limitMalloc(tilesize);
if (tilebuf == 0)
--
2.27.0