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tiff: backport fix for CVE-2022-22844

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(From OE-Core rev: daf2880b7431aa641e02ebba8cbca40d81389088)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ross Burton
2022-01-25 17:58:25 +00:00
committed by Richard Purdie
parent e8e1e829f4
commit 0e1d27b69d
2 changed files with 45 additions and 1 deletions
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43
meta/recipes-multimedia/libtiff/files/0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch Normal file
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@@ -0,0 +1,43 @@
CVE: CVE-2022-22844
Upstream-Status: Backport
Signed-off-by: Ross Burton <ross.burton@arm.com>
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)
---
tools/tiffset.c | 16 +++++++++++++---
1 file changed, 13 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
@@ -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;
--
2.25.1

3
meta/recipes-multimedia/libtiff/tiff_4.3.0.bb
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@@ -9,7 +9,8 @@ LIC_FILES_CHKSUM = "file://COPYRIGHT;md5=34da3db46fab7501992f9615d7e158cf"
CVE_PRODUCT = "libtiff"
SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
"
file://0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch"
SRC_URI[sha256sum] = "0e46e5acb087ce7d1ac53cf4f56a09b221537fc86dfc5daaad1c2e89e1b37ac8"
# exclude betas