libtiff/SOURCES/0033-CVE-2022-2519-CVE-2022-2520-CVE-2022-2521-CVE-2022-2.patch
2023-01-13 01:42:51 +00:00

93 lines
3.8 KiB
Diff

From d26748dd8fb90b0af8c9344615f65d273dc66f93 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?(CVE-2022-2519=20CVE-2022-2520=20CVE-2022-2521?=
=?UTF-8?q?=20CVE-2022-2953)=20According=20to=20Richard=20Nolde=20https://?=
=?UTF-8?q?gitlab.com/libtiff/libtiff/-/issues/401#note=5F877637400=20the?=
=?UTF-8?q?=20tiffcrop=20option=20=E2=80=9E-S=E2=80=9C=20is=20also=20mutua?=
=?UTF-8?q?lly=20exclusive=20to=20the=20other=20crop=20options=20(-X|-Y),?=
=?UTF-8?q?=20-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
(cherry picked from commit 8fe3735942ea1d90d8cef843b55b3efe8ab6feaf)
---
tools/tiffcrop.c | 31 +++++++++++++++++++++++--------
1 file changed, 23 insertions(+), 8 deletions(-)
diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c
index 5801b8f6..27e6f81c 100644
--- a/tools/tiffcrop.c
+++ b/tools/tiffcrop.c
@@ -104,7 +104,10 @@
* includes annotations for image parameters and scanline info. Level
* selects which functions dump data, with higher numbers selecting
* lower level, scanline level routines. Debug reports a limited set
- * of messages to monitor progess without enabling dump logs.
+ * of messages to monitor progress without enabling dump logs.
+ *
+ * Note: The (-X|-Y), -Z, -z and -S options are mutually exclusive.
+ * In no case should the options be applied to a given selection successively.
*/
static char tiffcrop_version_id[] = "2.4";
@@ -177,12 +180,12 @@ extern int getopt(int argc, char * const argv[], const char *optstring);
#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
@@ -320,7 +323,7 @@ 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
@@ -751,6 +754,8 @@ static char* usage_info[] = {
" The four debug/dump options are independent, though it makes little sense to",
" specify a dump file without specifying a detail level.",
" ",
+"Note: The (-X|-Y), -Z, -z and -S options are mutually exclusive."
+" ",
NULL
};
@@ -2099,6 +2104,16 @@ 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, -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);
+ 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 */
/* Start a new output file if one has not been previously opened or