diff --git a/0002-CVE-20220-18652-Bug-12-Invalid-WebP-cause-memory-ove.patch b/0002-CVE-20220-18652-Bug-12-Invalid-WebP-cause-memory-ove.patch new file mode 100644 index 0000000..db6da64 --- /dev/null +++ b/0002-CVE-20220-18652-Bug-12-Invalid-WebP-cause-memory-ove.patch @@ -0,0 +1,38 @@ +From a3b1e52e5a5836fe1fd07013a2a098518b1801de Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Hubert=20Figui=C3=A8re?= +Date: Sat, 27 Jul 2019 20:42:51 -0400 +Subject: [PATCH] (CVE-20220-18652) Bug #12 - Invalid WebP cause memory + overflow. + +https://gitlab.freedesktop.org/libopenraw/exempi/issues/12 +(cherry picked from commit acee2894ceb91616543927c2a6e45050c60f98f7) +--- + XMPFiles/source/FormatSupport/WEBP_Support.cpp | 10 ++++++++-- + 1 file changed, 8 insertions(+), 2 deletions(-) + +diff --git a/XMPFiles/source/FormatSupport/WEBP_Support.cpp b/XMPFiles/source/FormatSupport/WEBP_Support.cpp +index ffaf220..0d4b81d 100644 +--- a/XMPFiles/source/FormatSupport/WEBP_Support.cpp ++++ b/XMPFiles/source/FormatSupport/WEBP_Support.cpp +@@ -120,10 +120,16 @@ VP8XChunk::VP8XChunk(Container* parent) + this->data.assign(this->size, 0); + XMP_Uns8* bitstream = + (XMP_Uns8*)parent->chunks[WEBP_CHUNK_IMAGE][0]->data.data(); ++ XMP_Uns32 width = 0; ++ XMP_Uns32 height = 0; + // See bug https://bugs.freedesktop.org/show_bug.cgi?id=105247 + // bitstream could be NULL. +- XMP_Uns32 width = bitstream ? ((bitstream[7] << 8) | bitstream[6]) & 0x3fff : 0; +- XMP_Uns32 height = bitstream ? ((bitstream[9] << 8) | bitstream[8]) & 0x3fff : 0; ++ // See bug https://gitlab.freedesktop.org/libopenraw/exempi/issues/12 ++ // image chunk data could be too short (must be 10) ++ if (parent->chunks[WEBP_CHUNK_IMAGE][0]->data.size() >= 10 && bitstream) { ++ width = ((bitstream[7] << 8) | bitstream[6]) & 0x3fff; ++ height = ((bitstream[9] << 8) | bitstream[8]) & 0x3fff; ++ } + this->width(width); + this->height(height); + parent->vp8x = this; +-- +2.41.0 + diff --git a/exempi.spec b/exempi.spec index f9aa2e5..988ba54 100644 --- a/exempi.spec +++ b/exempi.spec @@ -1,13 +1,14 @@ Summary: Library for easy parsing of XMP metadata Name: exempi Version: 2.4.5 -Release: 3%{?dist} +Release: 4%{?dist} License: BSD Group: System Environment/Libraries URL: http://libopenraw.freedesktop.org/wiki/Exempi Source0: http://libopenraw.freedesktop.org/download/%{name}-%{version}.tar.bz2 Patch0: CVE-2018-12648.patch Patch0001: 0001-CVE-2020-18651-Issue-13-Fix-a-buffer-a-overflow-in-I.patch +Patch0002: 0002-CVE-20220-18652-Bug-12-Invalid-WebP-cause-memory-ove.patch BuildRequires: gcc-c++ BuildRequires: boost-devel expat-devel zlib-devel pkgconfig # Work around for aarch64 support (https://bugzilla.redhat.com/show_bug.cgi?id=925327) @@ -33,6 +34,7 @@ developing with exempi. %setup -q %patch0 -p1 %patch1 -p1 +%patch2 -p1 %build libtoolize -vi @@ -71,6 +73,10 @@ rm -rf %{buildroot}%{_libdir}/*.a %{_libdir}/pkgconfig/*.pc %changelog +* Mon Jan 08 2024 Matej Mužila - 2.4.5-4 +- Fix CVE-2020-18652 +- Resolves: RHEL-5416 + * Mon Jan 08 2024 Matej Mužila - 2.4.5-3 - Fix CVE-2020-18651 - Resolves: RHEL-5415