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exempi: add upstream patch fixing CVE-2018-12648

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Rasmus Thomsen 2018-10-02 15:52:05 +02:00 • committed by maxice8
parent a9cded343d
commit 8a2c6e2c43
2 changed files with 45 additions and 1 deletions
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43
srcpkgs/exempi/patches/8ed2f034705fd2d032c81383eee8208fd4eee0ac.patch Normal file
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@ -0,0 +1,43 @@
From 8ed2f034705fd2d032c81383eee8208fd4eee0ac Mon Sep 17 00:00:00 2001
From: Victor Rodriguez <victor.rodriguez.bahena@intel.com>
Date: Sat, 18 Aug 2018 13:54:55 +0000
Subject: [PATCH] Issue #9 - Fix null-pointer-dereference (CVE-2018-12648)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The WEBP::GetLE32 function in
XMPFiles/source/FormatSupport/WEBP_Support.hpp in Exempi 2.4.5 has a
NULL pointer dereference.
https://bugs.freedesktop.org/show_bug.cgi?id=106981
https://gitlab.freedesktop.org/libopenraw/exempi/issues/9
Signed-off-by: Victor Rodriguez <victor.rodriguez.bahena@intel.com>
Signed-off-by: Hubert Figuière <hub@figuiere.net>
---
XMPFiles/source/FormatSupport/WEBP_Support.cpp | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/XMPFiles/source/FormatSupport/WEBP_Support.cpp b/XMPFiles/source/FormatSupport/WEBP_Support.cpp
index ffaf220..4fe705b 100644
--- a/XMPFiles/source/FormatSupport/WEBP_Support.cpp
+++ b/XMPFiles/source/FormatSupport/WEBP_Support.cpp
@@ -160,9 +160,11 @@ bool VP8XChunk::xmp()
}
void VP8XChunk::xmp(bool hasXMP)
{
- XMP_Uns32 flags = GetLE32(&this->data[0]);
- flags ^= (-hasXMP ^ flags) & (1 << XMP_FLAG_BIT);
- PutLE32(&this->data[0], flags);
+ if (&this->data[0] != NULL) {
+ XMP_Uns32 flags = GetLE32(&this->data[0]);
+ flags ^= (-hasXMP ^ flags) & (1 << XMP_FLAG_BIT);
+ PutLE32(&this->data[0], flags);
+ }
}
Container::Container(WEBP_MetaHandler* handler) : Chunk(NULL, handler)
--
2.18.0

3
srcpkgs/exempi/template
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@ -1,7 +1,8 @@
# Template file for 'exempi' # Template file for 'exempi'
pkgname=exempi pkgname=exempi
version=2.4.5 version=2.4.5
revision=1 revision=2
patch_args="-Np1"
build_style=gnu-configure build_style=gnu-configure
configure_args="--with-boost=${XBPS_CROSS_BASE}/usr --disable-static --disable-unittest" configure_args="--with-boost=${XBPS_CROSS_BASE}/usr --disable-static --disable-unittest"
makedepends="zlib-devel expat-devel boost-devel" makedepends="zlib-devel expat-devel boost-devel"