mirrors/poky
1
0
Fork 0
mirror of https://git.yoctoproject.org/poky synced 2026-04-23 00:32:12 +02:00
Code Issues Packages Projects Releases Wiki Activity

tiff: Security fix for CVE-2022-3970

Browse Source 
This patch contains a fix for CVE-2022-3970

Reference:
https://nvd.nist.gov/vuln/detail/CVE-2022-3970
https://security-tracker.debian.org/tracker/CVE-2022-3970

Patch generated from :
227500897d

(From OE-Core rev: d4b231e1baa0c4c6fa8eaa2e25170eeb29cd1cdf)

Signed-off-by: Zheng Qiu <zheng.qiu@windriver.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Qiu, Zheng
2022-11-28 20:01:53 +01:00
committed by Richard Purdie
parent 0f37d51b2c
commit 38f46024d7
2 changed files with 39 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
meta/recipes-multimedia/libtiff/tiff/CVE-2022-3970.patch Normal file
View File

@@ -0,0 +1,38 @@
From 11c8026913e190b02266c1247e7a770e488d925e Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Tue, 8 Nov 2022 15:16:58 +0100
Subject: [PATCH] TIFFReadRGBATileExt(): fix (unsigned) integer overflow on
strips/tiles > 2 GB
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53137
Upstream-Status: Accepted
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
---
libtiff/tif_getimage.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/libtiff/tif_getimage.c b/libtiff/tif_getimage.c
index a1b6570b..9a2e0c59 100644
--- a/libtiff/tif_getimage.c
+++ b/libtiff/tif_getimage.c
@@ -3058,15 +3058,15 @@ TIFFReadRGBATileExt(TIFF* tif, uint32_t col, uint32_t row, uint32_t * raster, in
return( ok );
for( i_row = 0; i_row < read_ysize; i_row++ ) {
- memmove( raster + (tile_ysize - i_row - 1) * tile_xsize,
- raster + (read_ysize - i_row - 1) * read_xsize,
+ memmove( raster + (size_t)(tile_ysize - i_row - 1) * tile_xsize,
+ raster + (size_t)(read_ysize - i_row - 1) * read_xsize,
read_xsize * sizeof(uint32_t) );
- _TIFFmemset( raster + (tile_ysize - i_row - 1) * tile_xsize+read_xsize,
+ _TIFFmemset( raster + (size_t)(tile_ysize - i_row - 1) * tile_xsize+read_xsize,
0, sizeof(uint32_t) * (tile_xsize - read_xsize) );
}
for( i_row = read_ysize; i_row < tile_ysize; i_row++ ) {
- _TIFFmemset( raster + (tile_ysize - i_row - 1) * tile_xsize,
+ _TIFFmemset( raster + (size_t)(tile_ysize - i_row - 1) * tile_xsize,
0, sizeof(uint32_t) * tile_xsize );
}

1
meta/recipes-multimedia/libtiff/tiff_4.3.0.bb
View File

@@ -27,6 +27,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
file://b258ed69a485a9cfb299d9f060eb2a46c54e5903.patch \
file://0001-tiffcrop-Fix-issue-330-and-some-more-from-320-to-349.patch \
file://CVE-2022-2953.patch \
file://CVE-2022-3970.patch \
file://0001-Revised-handling-of-TIFFTAG_INKNAMES-and-related-TIF.patch \
file://0001-tiffcrop-S-option-Make-decision-simpler.patch \
file://0001-tiffcrop-disable-incompatibility-of-Z-X-Y-z-options-.patch \