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CVE: CVE-2022-2053
Upstream-Status: Backport
Signed-off-by: Ross Burton <ross.burton@arm.com>
From 8fe3735942ea1d90d8cef843b55b3efe8ab6feaf Mon Sep 17 00:00:00 2001
From: Su_Laus <sulau@freenet.de>
Date: Mon, 15 Aug 2022 22:11:03 +0200
Subject: [PATCH] =?UTF-8?q?According=20to=20Richard=20Nolde=20https://gitl?=
=?UTF-8?q?ab.com/libtiff/libtiff/-/issues/401#note=5F877637400=20the=20ti?=
=?UTF-8?q?ffcrop=20option=20=E2=80=9E-S=E2=80=9C=20is=20also=20mutually?=
=?UTF-8?q?=20exclusive=20to=20the=20other=20crop=20options=20(-X|-Y),=20-?=
=?UTF-8?q?Z=20and=20-z.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This is now checked and ends tiffcrop if those arguments are not mutually exclusive.
This MR will fix the following tiffcrop issues: #349, #414, #422, #423, #424
---
tools/tiffcrop.c | 31 ++++++++++++++++---------------
1 file changed, 16 insertions(+), 15 deletions(-)
diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c
index 90286a5e..c3b758ec 100644
--- a/tools/tiffcrop.c
+++ b/tools/tiffcrop.c
@@ -173,12 +173,12 @@ static char tiffcrop_rev_date[] = "02-09-2022";
#define ROTATECW_270 32
#define ROTATE_ANY (ROTATECW_90 | ROTATECW_180 | ROTATECW_270)
-#define CROP_NONE 0
-#define CROP_MARGINS 1
-#define CROP_WIDTH 2
-#define CROP_LENGTH 4
-#define CROP_ZONES 8
-#define CROP_REGIONS 16
+#define CROP_NONE 0 /* "-S" -> Page_MODE_ROWSCOLS and page->rows/->cols != 0 */
+#define CROP_MARGINS 1 /* "-m" */
+#define CROP_WIDTH 2 /* "-X" */
+#define CROP_LENGTH 4 /* "-Y" */
+#define CROP_ZONES 8 /* "-Z" */
+#define CROP_REGIONS 16 /* "-z" */
#define CROP_ROTATE 32
#define CROP_MIRROR 64
#define CROP_INVERT 128
@@ -316,7 +316,7 @@ struct crop_mask {
#define PAGE_MODE_RESOLUTION 1
#define PAGE_MODE_PAPERSIZE 2
#define PAGE_MODE_MARGINS 4
-#define PAGE_MODE_ROWSCOLS 8
+#define PAGE_MODE_ROWSCOLS 8 /* for -S option */
#define INVERT_DATA_ONLY 10
#define INVERT_DATA_AND_TAG 11
@@ -781,7 +781,7 @@ static const char usage_info[] =
" The four debug/dump options are independent, though it makes little sense to\n"
" specify a dump file without specifying a detail level.\n"
"\n"
-"Note: The (-X|-Y), -Z and -z options are mutually exclusive.\n"
+"Note: The (-X|-Y), -Z, -z and -S options are mutually exclusive.\n"
" In no case should the options be applied to a given selection successively.\n"
"\n"
;
@@ -2131,13 +2131,14 @@ void process_command_opts (int argc, char *argv[], char *mp, char *mode, uint32
/*NOTREACHED*/
}
}
- /*-- Check for not allowed combinations (e.g. -X, -Y and -Z and -z are mutually exclusive) --*/
- char XY, Z, R;
+ /*-- Check for not allowed combinations (e.g. -X, -Y and -Z, -z and -S are mutually exclusive) --*/
+ char XY, Z, R, S;
XY = ((crop_data->crop_mode & CROP_WIDTH) || (crop_data->crop_mode & CROP_LENGTH));
Z = (crop_data->crop_mode & CROP_ZONES);
R = (crop_data->crop_mode & CROP_REGIONS);
- if ((XY && Z) || (XY && R) || (Z && R)) {
- TIFFError("tiffcrop input error", "The crop options(-X|-Y), -Z and -z are mutually exclusive.->Exit");
+ S = (page->mode & PAGE_MODE_ROWSCOLS);
+ if ((XY && Z) || (XY && R) || (XY && S) || (Z && R) || (Z && S) || (R && S)) {
+ TIFFError("tiffcrop input error", "The crop options(-X|-Y), -Z, -z and -S are mutually exclusive.->Exit");
exit(EXIT_FAILURE);
}
} /* end process_command_opts */
--
2.34.1
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