package/tiff: fix CVE-2022-48281

processCropSelections in tools/tiffcrop.c in LibTIFF through 4.5.0 has a
heap-based buffer overflow (e.g., "WRITE of size 307203") via a crafted
TIFF image.

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/tiff/0001-tiffcrop-Correct-simple-copy-paste-error-Fix-488.patch

@@ -0,0 +1,28 @@
+From 97d65859bc29ee334012e9c73022d8a8e55ed586 Mon Sep 17 00:00:00 2001
+From: Su Laus <sulau@freenet.de>
+Date: Sat, 21 Jan 2023 15:58:10 +0000
+Subject: [PATCH] tiffcrop: Correct simple copy paste error. Fix #488.
+
+[Retrieved from:
+https://gitlab.com/libtiff/libtiff/-/commit/97d65859bc29ee334012e9c73022d8a8e55ed586]
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+---
+ tools/tiffcrop.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c
+index 14fa18da..7db69883 100644
+--- a/tools/tiffcrop.c
++++ b/tools/tiffcrop.c
+@@ -8591,7 +8591,7 @@ static int processCropSelections(struct image_data *image,
+                     cropsize + NUM_BUFF_OVERSIZE_BYTES);
+             else
+             {
+-                prev_cropsize = seg_buffs[0].size;
++                prev_cropsize = seg_buffs[i].size;
+                 if (prev_cropsize < cropsize)
+                 {
+                     next_buff = _TIFFrealloc(
+-- 
+GitLab
+

package/tiff/tiff.mk

@@ -12,6 +12,9 @@ TIFF_CPE_ID_VENDOR = libtiff
 TIFF_CPE_ID_PRODUCT = libtiff
 TIFF_INSTALL_STAGING = YES
 
+# 0001-tiffcrop-Correct-simple-copy-paste-error-Fix-488.patch
+TIFF_IGNORE_CVES += CVE-2022-48281
+
 # webp has a (optional) dependency on tiff, so we can't have webp
 # support in tiff, or that would create a circular dependency.
 TIFF_CONF_OPTS = \