tiff: fix CVE-2023-41175

libtiff: potential integer overflow in raw2tiff.c

References:
https://bugzilla.redhat.com/show_bug.cgi?id=2235264
https://security-tracker.debian.org/tracker/CVE-2023-41175
https://gitlab.com/libtiff/libtiff/-/issues/592

Signed-off-by: Yogita Urade <yogita.urade@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-41175.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-41175.patch
new file mode 100644
index 0000000000..cca30b2196
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-41175.patch
@@ -0,0 +1,63 @@
+From 6e2dac5f904496d127c92ddc4e56eccfca25c2ee Mon Sep 17 00:00:00 2001
+From: Arie Haenel <arie.haenel@jct.ac.il>
+Date: Thu, 14 Sep 2023 04:36:58 +0000
+Subject: [PATCH] raw2tiff: fix integer overflow and bypass of the check (fixes
+   #592)
+
+CVE: CVE-2023-41175
+
+Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/6e2dac5f904496d127c92ddc4e56eccfca25c2ee]
+
+Signed-off-by: Yogita Urade <yogita.urade@windriver.com>
+---
+ tools/raw2tiff.c | 28 ++++++++++++++++++++++++++++
+ 1 file changed, 28 insertions(+)
+
+diff --git a/tools/raw2tiff.c b/tools/raw2tiff.c
+index 4ee59e5..a811077 100644
+--- a/tools/raw2tiff.c
++++ b/tools/raw2tiff.c
+@@ -101,6 +101,7 @@ int main(int argc, char *argv[])
+     int fd;
+     char *outfilename = NULL;
+     TIFF *out;
++    uint32_t temp_limit_check = 0;     /* temp for integer overflow checking*/
+
+     uint32_t row, col, band;
+     int c;
+@@ -221,6 +222,33 @@ int main(int argc, char *argv[])
+     if (guessSize(fd, dtype, hdr_size, nbands, swab, &width, &length) < 0)
+         return EXIT_FAILURE;
+
++    /* check for integer overflow in */
++    /* hdr_size + (*width) * (*length) * nbands * depth */
++
++    if ((width == 0) || (length == 0) ){
++        fprintf(stderr, "Too large nbands value specified.\n");
++        return (EXIT_FAILURE);
++    }
++
++    temp_limit_check = nbands * depth;
++
++    if ( !temp_limit_check || length > ( UINT_MAX / temp_limit_check ) )  {
++        fprintf(stderr, "Too large length size specified.\n");
++        return (EXIT_FAILURE);
++    }
++    temp_limit_check = temp_limit_check * length;
++
++    if ( !temp_limit_check || width > ( UINT_MAX / temp_limit_check ) )  {
++        fprintf(stderr, "Too large width size specified.\n");
++        return (EXIT_FAILURE);
++    }
++    temp_limit_check = temp_limit_check * width;
++
++    if ( !temp_limit_check || hdr_size > ( UINT_MAX - temp_limit_check ) )  {
++        fprintf(stderr, "Too large header size specified.\n");
++        return (EXIT_FAILURE);
++    }
++
+     if (outfilename == NULL)
+         outfilename = argv[optind + 1];
+     out = TIFFOpen(outfilename, "w");
+--
+2.35.5