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tiff: fix for CVE-2022-22844

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Backport patch from:
03047a2695

(From OE-Core rev: 68b59e37d25ead5aaf68d24c6a55b7d1864203fa)

Signed-off-by: Purushottam Choudhary <purushottam.choudhary@kpit.com>
Signed-off-by: Purushottam Choudhary <purushottamchoudhary29@gmail.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Purushottam Choudhary
2022-02-22 18:04:53 +05:30
committed by Richard Purdie
parent bb6b6f5a55
commit df471272ae
2 changed files with 53 additions and 0 deletions
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52
meta/recipes-multimedia/libtiff/files/0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch Normal file
View File

@@ -0,0 +1,52 @@
From b12a0326e6064b6e0b051d1184a219877472f69b Mon Sep 17 00:00:00 2001
From: 4ugustus <wangdw.augustus@qq.com>
Date: Tue, 25 Jan 2022 16:25:28 +0000
Subject: [PATCH] tiffset: fix global-buffer-overflow for ASCII tags where
count is required (fixes #355)
CVE: CVE-2022-22844
Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/03047a26952a82daaa0792957ce211e0aa51bc64]
Signed-off-by: Purushottam Choudhary <purushottam.choudhary@kpit.com>
Signed-off-by: Purushottam Choudhary <purushottamchoudhary29@gmail.com>
Comments: Add header stdint.h in tiffset.c explicitly for UINT16_MAX
---
tools/tiffset.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/tools/tiffset.c b/tools/tiffset.c
index 8c9e23c5..e7a88c09 100644
--- a/tools/tiffset.c
+++ b/tools/tiffset.c
@@ -33,6 +33,7 @@
#include <string.h>
#include <stdlib.h>
+#include <stdint.h>
#include "tiffio.h"
static char* usageMsg[] = {
@@ -146,9 +146,19 @@ main(int argc, char* argv[])
arg_index++;
if (TIFFFieldDataType(fip) == TIFF_ASCII) {
- if (TIFFSetField(tiff, TIFFFieldTag(fip), argv[arg_index]) != 1)
- fprintf( stderr, "Failed to set %s=%s\n",
- TIFFFieldName(fip), argv[arg_index] );
+ if(TIFFFieldPassCount( fip )) {
+ size_t len;
+ len = strlen(argv[arg_index]) + 1;
+ if (len > UINT16_MAX || TIFFSetField(tiff, TIFFFieldTag(fip),
+ (uint16_t)len, argv[arg_index]) != 1)
+ fprintf( stderr, "Failed to set %s=%s\n",
+ TIFFFieldName(fip), argv[arg_index] );
+ } else {
+ if (TIFFSetField(tiff, TIFFFieldTag(fip),
+ argv[arg_index]) != 1)
+ fprintf( stderr, "Failed to set %s=%s\n",
+ TIFFFieldName(fip), argv[arg_index] );
+ }
} else if (TIFFFieldWriteCount(fip) > 0
|| TIFFFieldWriteCount(fip) == TIFF_VARIABLE) {
int ret = 1;
--
GitLab

1
meta/recipes-multimedia/libtiff/tiff_4.1.0.bb
View File

@@ -15,6 +15,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
file://001_support_patch_for_CVE-2020-35521_and_CVE-2020-35522.patch \
file://002_support_patch_for_CVE-2020-35521_and_CVE-2020-35522.patch \
file://CVE-2020-35521_and_CVE-2020-35522.patch \
file://0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch \
"
SRC_URI[md5sum] = "2165e7aba557463acc0664e71a3ed424"
SRC_URI[sha256sum] = "5d29f32517dadb6dbcd1255ea5bbc93a2b54b94fbf83653b4d65c7d6775b8634"