From 5d172c4f999dff461c5401bf97ba83f81390dc55 Mon Sep 17 00:00:00 2001 From: Sam James Date: Sun, 8 Oct 2023 05:44:50 +0100 Subject: dev-libs/libxml2: fix CVE-2023-45322 Bug: https://bugs.gentoo.org/915351 Signed-off-by: Sam James --- .../files/libxml2-2.11.5-CVE-2023-45322.patch | 71 ++++++++ dev-libs/libxml2/libxml2-2.11.5-r1.ebuild | 200 +++++++++++++++++++++ 2 files changed, 271 insertions(+) create mode 100644 dev-libs/libxml2/files/libxml2-2.11.5-CVE-2023-45322.patch create mode 100644 dev-libs/libxml2/libxml2-2.11.5-r1.ebuild diff --git a/dev-libs/libxml2/files/libxml2-2.11.5-CVE-2023-45322.patch b/dev-libs/libxml2/files/libxml2-2.11.5-CVE-2023-45322.patch new file mode 100644 index 000000000000..190218be3a5e --- /dev/null +++ b/dev-libs/libxml2/files/libxml2-2.11.5-CVE-2023-45322.patch @@ -0,0 +1,71 @@ +https://gitlab.gnome.org/GNOME/libxml2/-/issues/583 +https://gitlab.gnome.org/GNOME/libxml2/-/commit/d39f78069dff496ec865c73aa44d7110e429bce9 +https://bugs.gentoo.org/915351 + +From d39f78069dff496ec865c73aa44d7110e429bce9 Mon Sep 17 00:00:00 2001 +From: Nick Wellnhofer +Date: Wed, 23 Aug 2023 20:24:24 +0200 +Subject: [PATCH] tree: Fix copying of DTDs + +- Don't create multiple DTD nodes. +- Fix UAF if malloc fails. +- Skip DTD nodes if tree module is disabled. + +Fixes #583. +--- a/tree.c ++++ b/tree.c +@@ -4471,29 +4471,28 @@ xmlNodePtr + xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent) { + xmlNodePtr ret = NULL; + xmlNodePtr p = NULL,q; ++ xmlDtdPtr newSubset = NULL; + + while (node != NULL) { +-#ifdef LIBXML_TREE_ENABLED + if (node->type == XML_DTD_NODE ) { +- if (doc == NULL) { ++#ifdef LIBXML_TREE_ENABLED ++ if ((doc == NULL) || (doc->intSubset != NULL)) { + node = node->next; + continue; + } +- if (doc->intSubset == NULL) { +- q = (xmlNodePtr) xmlCopyDtd( (xmlDtdPtr) node ); +- if (q == NULL) goto error; +- q->doc = doc; +- q->parent = parent; +- doc->intSubset = (xmlDtdPtr) q; +- xmlAddChild(parent, q); +- } else { +- q = (xmlNodePtr) doc->intSubset; +- xmlAddChild(parent, q); +- } +- } else ++ q = (xmlNodePtr) xmlCopyDtd( (xmlDtdPtr) node ); ++ if (q == NULL) goto error; ++ q->doc = doc; ++ q->parent = parent; ++ newSubset = (xmlDtdPtr) q; ++#else ++ node = node->next; ++ continue; + #endif /* LIBXML_TREE_ENABLED */ ++ } else { + q = xmlStaticCopyNode(node, doc, parent, 1); +- if (q == NULL) goto error; ++ if (q == NULL) goto error; ++ } + if (ret == NULL) { + q->prev = NULL; + ret = p = q; +@@ -4505,6 +4504,8 @@ xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent) { + } + node = node->next; + } ++ if (newSubset != NULL) ++ doc->intSubset = newSubset; + return(ret); + error: + xmlFreeNodeList(ret); +-- +GitLab diff --git a/dev-libs/libxml2/libxml2-2.11.5-r1.ebuild b/dev-libs/libxml2/libxml2-2.11.5-r1.ebuild new file mode 100644 index 000000000000..ad027676e475 --- /dev/null +++ b/dev-libs/libxml2/libxml2-2.11.5-r1.ebuild @@ -0,0 +1,200 @@ +# Copyright 1999-2023 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +# Note: Please bump in sync with dev-libs/libxslt + +PYTHON_COMPAT=( python3_{10..12} ) +PYTHON_REQ_USE="xml(+)" +inherit flag-o-matic python-r1 multilib-minimal + +XSTS_HOME="http://www.w3.org/XML/2004/xml-schema-test-suite" +XSTS_NAME_1="xmlschema2002-01-16" +XSTS_NAME_2="xmlschema2004-01-14" +XSTS_TARBALL_1="xsts-2002-01-16.tar.gz" +XSTS_TARBALL_2="xsts-2004-01-14.tar.gz" +XMLCONF_TARBALL="xmlts20130923.tar.gz" + +DESCRIPTION="XML C parser and toolkit" +HOMEPAGE="https://gitlab.gnome.org/GNOME/libxml2/-/wikis/home" +if [[ ${PV} == 9999 ]] ; then + EGIT_REPO_URI="https://gitlab.gnome.org/GNOME/libxml2" + inherit autotools git-r3 +else + inherit gnome.org libtool + KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris" +fi + +SRC_URI+=" + test? ( + ${XSTS_HOME}/${XSTS_NAME_1}/${XSTS_TARBALL_1} + ${XSTS_HOME}/${XSTS_NAME_2}/${XSTS_TARBALL_2} + https://www.w3.org/XML/Test/${XMLCONF_TARBALL} + ) +" +S="${WORKDIR}/${PN}-${PV%_rc*}" + +LICENSE="MIT" +SLOT="2" +IUSE="debug examples +ftp icu lzma +python readline static-libs test" +RESTRICT="!test? ( test )" +REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )" + +RDEPEND=" + virtual/libiconv + >=sys-libs/zlib-1.2.8-r1:=[${MULTILIB_USEDEP}] + icu? ( >=dev-libs/icu-51.2-r1:=[${MULTILIB_USEDEP}] ) + lzma? ( >=app-arch/xz-utils-5.0.5-r1:=[${MULTILIB_USEDEP}] ) + python? ( ${PYTHON_DEPS} ) + readline? ( sys-libs/readline:= ) +" +DEPEND="${RDEPEND}" +BDEPEND="virtual/pkgconfig" + +if [[ ${PV} == 9999 ]] ; then + BDEPEND+=" dev-util/gtk-doc-am" +fi + +MULTILIB_CHOST_TOOLS=( + /usr/bin/xml2-config +) + +PATCHES=( + "${FILESDIR}"/${PN}-2.11.5-CVE-2023-45322.patch +) + +src_unpack() { + if [[ ${PV} == 9999 ]] ; then + git-r3_src_unpack + else + local tarname=${P/_rc/-rc}.tar.xz + + # ${A} isn't used to avoid unpacking of test tarballs into ${WORKDIR}, + # as they are needed as tarballs in ${S}/xstc instead and not unpacked + unpack ${tarname} + + if [[ -n ${PATCHSET_VERSION} ]] ; then + unpack ${PN}-${PATCHSET_VERSION}.tar.xz + fi + fi + + cd "${S}" || die + + if use test ; then + cp "${DISTDIR}/${XSTS_TARBALL_1}" \ + "${DISTDIR}/${XSTS_TARBALL_2}" \ + "${S}"/xstc/ \ + || die "Failed to install test tarballs" + unpack ${XMLCONF_TARBALL} + fi +} + +src_prepare() { + default + + if [[ ${PV} == 9999 ]] ; then + eautoreconf + else + # Please do not remove, as else we get references to PORTAGE_TMPDIR + # in /usr/lib/python?.?/site-packages/libxml2mod.la among things. + elibtoolize + fi +} + +multilib_src_configure() { + # Filter seemingly problematic CFLAGS (bug #26320) + filter-flags -fprefetch-loop-arrays -funroll-loops + + # Notes: + # The meaning of the 'debug' USE flag does not apply to the --with-debug + # switch (enabling the libxml2 debug module). See bug #100898. + libxml2_configure() { + ECONF_SOURCE="${S}" econf \ + --enable-ipv6 \ + $(use_with ftp) \ + $(use_with debug run-debug) \ + $(use_with icu) \ + $(use_with lzma) \ + $(use_enable static-libs static) \ + $(multilib_native_use_with readline) \ + $(multilib_native_use_with readline history) \ + "$@" + } + + # Build python bindings separately + libxml2_configure --without-python + + multilib_is_native_abi && use python && + python_foreach_impl run_in_build_dir libxml2_configure --with-python +} + +libxml2_py_emake() { + pushd "${BUILD_DIR}"/python >/dev/null || die + + emake top_builddir="${NATIVE_BUILD_DIR}" "$@" + + popd >/dev/null || die +} + +multilib_src_compile() { + default + + if multilib_is_native_abi && use python ; then + NATIVE_BUILD_DIR="${BUILD_DIR}" + python_foreach_impl run_in_build_dir libxml2_py_emake all + fi +} + +multilib_src_test() { + ln -s "${S}"/xmlconf || die + + emake check + + multilib_is_native_abi && use python && + python_foreach_impl run_in_build_dir libxml2_py_emake check +} + +multilib_src_install() { + emake DESTDIR="${D}" install + + multilib_is_native_abi && use python && + python_foreach_impl run_in_build_dir libxml2_py_emake DESTDIR="${D}" install + + # Hack until automake release is made for the optimise fix + # https://git.savannah.gnu.org/cgit/automake.git/commit/?id=bde43d0481ff540418271ac37012a574a4fcf097 + multilib_is_native_abi && use python && python_foreach_impl python_optimize +} + +multilib_src_install_all() { + einstalldocs + + if ! use examples ; then + rm -rf "${ED}"/usr/share/doc/${PF}/examples || die + rm -rf "${ED}"/usr/share/doc/${PF}/python/examples || die + fi + + rm -rf "${ED}"/usr/share/doc/${PN}-python-${PVR} || die + + find "${ED}" -name '*.la' -delete || die +} + +pkg_postinst() { + # We don't want to do the xmlcatalog during stage1, as xmlcatalog will not + # be in / and stage1 builds to ROOT=/tmp/stage1root. This fixes bug #208887. + if [[ -n "${ROOT}" ]]; then + elog "Skipping XML catalog creation for stage building (bug #208887)." + else + # Need an XML catalog, so no-one writes to a non-existent one + CATALOG="${EROOT}/etc/xml/catalog" + + # We don't want to clobber an existing catalog though, + # only ensure that one is there + # + if [[ ! -e "${CATALOG}" ]]; then + [[ -d "${EROOT}/etc/xml" ]] || mkdir -p "${EROOT}/etc/xml" + "${EPREFIX}"/usr/bin/xmlcatalog --create > "${CATALOG}" + einfo "Created XML catalog in ${CATALOG}" + fi + fi +} -- cgit v1.2.3-65-gdbad