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package/libraw: fix CVE-2023-1729

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A flaw was found in LibRaw. A heap-buffer-overflow in raw2image_ex()
caused by a maliciously crafted file may lead to an application crash.

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Fabrice Fontaine 2023-09-17 13:51:39 +02:00 committed by Yann E. MORIN
parent 56b0667406
commit bc4110b073
2 changed files with 27 additions and 0 deletions
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24
package/libraw/0001-do-not-set-shrink-flag-for-3-4-component-images.patch Normal file
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@ -0,0 +1,24 @@
From 477e0719ffc07190c89b4f3d12d51b1292e75828 Mon Sep 17 00:00:00 2001
From: Alex Tutubalin <lexa@lexa.ru>
Date: Sat, 14 Jan 2023 18:32:59 +0300
Subject: [PATCH] do not set shrink flag for 3/4 component images
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Upstream: https://github.com/LibRaw/LibRaw/commit/477e0719ffc07190c89b4f3d12d51b1292e75828
---
src/preprocessing/raw2image.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/preprocessing/raw2image.cpp b/src/preprocessing/raw2image.cpp
index e65e2ad7..702cf290 100644
--- a/src/preprocessing/raw2image.cpp
+++ b/src/preprocessing/raw2image.cpp
@@ -43,6 +43,8 @@ void LibRaw::raw2image_start()
// adjust for half mode!
IO.shrink =
+ !imgdata.rawdata.color4_image && !imgdata.rawdata.color3_image &&
+ !imgdata.rawdata.float4_image && !imgdata.rawdata.float3_image &&
P1.filters &&
(O.half_size || ((O.threshold || O.aber[0] != 1 || O.aber[2] != 1)));

3
package/libraw/libraw.mk
View File

@ -18,6 +18,9 @@ LIBRAW_DEPENDENCIES = host-pkgconf
LIBRAW_CXXFLAGS = $(TARGET_CXXFLAGS)
LIBRAW_CONF_ENV = CXXFLAGS="$(LIBRAW_CXXFLAGS)"
# 0001-do-not-set-shrink-flag-for-3-4-component-images.patch
LIBRAW_IGNORE_CVES += 0001-do-not-set-shrink-flag-for-3-4-component-images.patch
ifeq ($(BR2_PACKAGE_JASPER),y)
LIBRAW_CONF_OPTS += --enable-jasper
LIBRAW_DEPENDENCIES += jasper