diff options
Diffstat (limited to 'meta/recipes-multimedia/libtiff/tiff/CVE-2023-41175.patch')
| -rw-r--r-- | meta/recipes-multimedia/libtiff/tiff/CVE-2023-41175.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libtiff/tiff/CVE-2023-41175.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-41175.patch new file mode 100644 index 0000000000..06645bed68 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-41175.patch @@ -0,0 +1,69 @@ +From 6e2dac5f904496d127c92ddc4e56eccfca25c2ee Mon Sep 17 00:00:00 2001 +From: Arie Haenel <arie.haenel@jct.ac.il> +Date: Wed, 19 Jul 2023 19:40:01 +0000 +Subject: [PATCH] raw2tiff: fix integer overflow and bypass of the check (fixes #592) + +Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/6e2dac5f904496d127c92ddc4e56eccfca25c2ee] +CVE: CVE-2023-41175 +Signed-off-by: Vijay Anusuri <vanusuri@mvista.com> +--- + tools/raw2tiff.c | 29 +++++++++++++++++++++++++++++ + 1 file changed, 29 insertions(+) + +diff --git a/tools/raw2tiff.c b/tools/raw2tiff.c +index dfee715..253c023 100644 +--- a/tools/raw2tiff.c ++++ b/tools/raw2tiff.c +@@ -36,6 +36,7 @@ + #include <sys/types.h> + #include <math.h> + #include <ctype.h> ++#include <limits.h> + + #ifdef HAVE_UNISTD_H + # include <unistd.h> +@@ -101,6 +102,7 @@ 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; +@@ -212,6 +214,33 @@ 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"); +-- +2.25.1 + |