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Fri, 30 Jun 2023 16:26:04 +0000 (UTC) Received: from localhost.localdomain (localhost [IPv6:::1]) by oystercatcher.gentoo.org (Postfix) with ESMTP id 60794A6A for ; Fri, 30 Jun 2023 16:26:03 +0000 (UTC) From: "Stephan Hartmann" To: gentoo-commits@lists.gentoo.org Content-Transfer-Encoding: 8bit Content-type: text/plain; charset=UTF-8 Reply-To: gentoo-dev@lists.gentoo.org, "Stephan Hartmann" Message-ID: <1688142348.3b41cdefc20c6fa856e84e96ed94bc9bda7ba9e1.sultan@gentoo> Subject: [gentoo-commits] repo/gentoo:master commit in: media-libs/libwebp/files/, media-libs/libwebp/ X-VCS-Repository: repo/gentoo X-VCS-Files: media-libs/libwebp/files/libwebp-1.2.4-CVE-2023-1999.patch media-libs/libwebp/libwebp-1.2.4-r2.ebuild X-VCS-Directories: media-libs/libwebp/files/ media-libs/libwebp/ X-VCS-Committer: sultan X-VCS-Committer-Name: Stephan Hartmann X-VCS-Revision: 3b41cdefc20c6fa856e84e96ed94bc9bda7ba9e1 X-VCS-Branch: master Date: Fri, 30 Jun 2023 16:26:03 +0000 (UTC) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-commits@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-Archives-Salt: 0a085cc6-3a5f-4ba6-b5f6-08c9613b0403 X-Archives-Hash: e1235ff3e2958e629c23e12a83ed1217 commit: 3b41cdefc20c6fa856e84e96ed94bc9bda7ba9e1 Author: Stephan Hartmann gentoo org> AuthorDate: Fri Jun 30 16:25:22 2023 +0000 Commit: Stephan Hartmann gentoo org> CommitDate: Fri Jun 30 16:25:48 2023 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3b41cdef media-libs/libwebp: backport fix for CVE-2023-1999 Bug: https://bugs.gentoo.org/909369 Signed-off-by: Stephan Hartmann gentoo.org> .../files/libwebp-1.2.4-CVE-2023-1999.patch | 50 ++++++++++++++ media-libs/libwebp/libwebp-1.2.4-r2.ebuild | 78 ++++++++++++++++++++++ 2 files changed, 128 insertions(+) diff --git a/media-libs/libwebp/files/libwebp-1.2.4-CVE-2023-1999.patch b/media-libs/libwebp/files/libwebp-1.2.4-CVE-2023-1999.patch new file mode 100644 index 000000000000..9c023712a5aa --- /dev/null +++ b/media-libs/libwebp/files/libwebp-1.2.4-CVE-2023-1999.patch @@ -0,0 +1,50 @@ +commit a486d800b60d0af4cc0836bf7ed8f21e12974129 +Author: James Zern +Date: Wed Feb 22 22:15:47 2023 -0800 + + EncodeAlphaInternal: clear result->bw on error + + This avoids a double free should the function fail prior to + VP8BitWriterInit() and a previous trial result's buffer carried over. + Previously in ApplyFiltersAndEncode() trial.bw (with a previous + iteration's buffer) would be freed, followed by best.bw pointing to the + same buffer. + + Since: + 187d379d add a fallback to ALPHA_NO_COMPRESSION + + In addition, check the return value of VP8BitWriterInit() in this + function. + + Bug: webp:603 + Change-Id: Ic258381ee26c8c16bc211d157c8153831c8c6910 + +diff --git a/src/enc/alpha_enc.c b/src/enc/alpha_enc.c +index f7c02690..7d205586 100644 +--- a/src/enc/alpha_enc.c ++++ b/src/enc/alpha_enc.c +@@ -13,6 +13,7 @@ + + #include + #include ++#include + + #include "src/enc/vp8i_enc.h" + #include "src/dsp/dsp.h" +@@ -148,6 +149,7 @@ static int EncodeAlphaInternal(const uint8_t* const data, int width, int height, + } + } else { + VP8LBitWriterWipeOut(&tmp_bw); ++ memset(&result->bw, 0, sizeof(result->bw)); + return 0; + } + } +@@ -162,7 +164,7 @@ static int EncodeAlphaInternal(const uint8_t* const data, int width, int height, + header = method | (filter << 2); + if (reduce_levels) header |= ALPHA_PREPROCESSED_LEVELS << 4; + +- VP8BitWriterInit(&result->bw, ALPHA_HEADER_LEN + output_size); ++ if (!VP8BitWriterInit(&result->bw, ALPHA_HEADER_LEN + output_size)) ok = 0; + ok = ok && VP8BitWriterAppend(&result->bw, &header, ALPHA_HEADER_LEN); + ok = ok && VP8BitWriterAppend(&result->bw, output, output_size); + diff --git a/media-libs/libwebp/libwebp-1.2.4-r2.ebuild b/media-libs/libwebp/libwebp-1.2.4-r2.ebuild new file mode 100644 index 000000000000..bcf5f8174336 --- /dev/null +++ b/media-libs/libwebp/libwebp-1.2.4-r2.ebuild @@ -0,0 +1,78 @@ +# Copyright 1999-2023 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +inherit autotools multilib-minimal + +MY_P="${P/_/-}" + +DESCRIPTION="A lossy image compression format" +HOMEPAGE="https://developers.google.com/speed/webp/download" +SRC_URI="https://storage.googleapis.com/downloads.webmproject.org/releases/webp/${MY_P}.tar.gz" +S="${WORKDIR}/${MY_P}" + +LICENSE="BSD" +SLOT="0/7" # subslot = libwebp soname version +if [[ ${PV} != *_rc* ]] ; then + KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris" +fi +IUSE="cpu_flags_arm_neon cpu_flags_x86_sse2 cpu_flags_x86_sse4_1 gif +jpeg opengl +png static-libs swap-16bit-csp tiff" + +# TODO: dev-lang/swig bindings in swig/ subdirectory +RDEPEND="gif? ( media-libs/giflib:= ) + jpeg? ( media-libs/libjpeg-turbo:= ) + opengl? ( + media-libs/freeglut + virtual/opengl + ) + png? ( media-libs/libpng:= ) + tiff? ( media-libs/tiff:= )" +DEPEND="${RDEPEND}" + +PATCHES=( + "${FILESDIR}"/${PN}-1.2.3-libpng-pkg-config.patch + "${FILESDIR}"/${PN}-1.2.4-CVE-2023-1999.patch +) + +src_prepare() { + default + + # Fix libtool relinking, bug #499270. + #elibtoolize + + # Needed for pkg-config patch + eautoreconf +} + +multilib_src_configure() { + local args=( + --enable-libwebpmux + --enable-libwebpdemux + --enable-libwebpdecoder + $(use_enable static-libs static) + $(use_enable swap-16bit-csp) + $(use_enable jpeg) + $(use_enable png) + $(use_enable opengl gl) + $(use_enable tiff) + + $(use_enable cpu_flags_x86_sse2 sse2) + $(use_enable cpu_flags_x86_sse4_1 sse4.1) + $(use_enable cpu_flags_arm_neon neon) + + # Only used for gif2webp binary wrt bug #486646 + $(multilib_native_use_enable gif) + ) + + ECONF_SOURCE="${S}" econf "${args[@]}" +} + +multilib_src_install() { + emake DESTDIR="${D}" install +} + +multilib_src_install_all() { + find "${ED}" -type f -name "*.la" -delete || die + dodoc AUTHORS ChangeLog doc/*.txt NEWS README.md +}