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-rw-r--r--external/libxslt/0001-Fix-for-type-confusion-in-preprocessing-attributes.patch.129
-rw-r--r--external/libxslt/UnpackedTarball_xslt.mk1
2 files changed, 30 insertions, 0 deletions
diff --git a/external/libxslt/0001-Fix-for-type-confusion-in-preprocessing-attributes.patch.1 b/external/libxslt/0001-Fix-for-type-confusion-in-preprocessing-attributes.patch.1
new file mode 100644
index 000000000000..4f87e798fb57
--- /dev/null
+++ b/external/libxslt/0001-Fix-for-type-confusion-in-preprocessing-attributes.patch.1
@@ -0,0 +1,29 @@
+From 7ca19df892ca22d9314e95d59ce2abdeff46b617 Mon Sep 17 00:00:00 2001
+From: Daniel Veillard <veillard@redhat.com>
+Date: Thu, 29 Oct 2015 19:33:23 +0800
+Subject: [PATCH] Fix for type confusion in preprocessing attributes
+
+CVE-2015-7995 http://www.openwall.com/lists/oss-security/2015/10/27/10
+We need to check that the parent node is an element before dereferencing
+its namespace
+---
+ libxslt/preproc.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/libxslt/preproc.c b/libxslt/preproc.c
+index 0eb80a0..7f69325 100644
+--- a/libxslt/preproc.c
++++ b/libxslt/preproc.c
+@@ -2249,7 +2249,8 @@ xsltStylePreCompute(xsltStylesheetPtr style, xmlNodePtr inst) {
+ } else if (IS_XSLT_NAME(inst, "attribute")) {
+ xmlNodePtr parent = inst->parent;
+
+- if ((parent == NULL) || (parent->ns == NULL) ||
++ if ((parent == NULL) ||
++ (parent->type != XML_ELEMENT_NODE) || (parent->ns == NULL) ||
+ ((parent->ns != inst->ns) &&
+ (!xmlStrEqual(parent->ns->href, inst->ns->href))) ||
+ (!xmlStrEqual(parent->name, BAD_CAST "attribute-set"))) {
+--
+2.4.3
+
diff --git a/external/libxslt/UnpackedTarball_xslt.mk b/external/libxslt/UnpackedTarball_xslt.mk
index 5c44e0ec479a..c3544656af7c 100644
--- a/external/libxslt/UnpackedTarball_xslt.mk
+++ b/external/libxslt/UnpackedTarball_xslt.mk
@@ -22,6 +22,7 @@ $(eval $(call gb_UnpackedTarball_add_patches,xslt,\
external/libxslt/libxslt-config-guess.patch.0 \
external/libxslt/rpath.patch.0 \
external/libxslt/libxslt-vc15.patch \
+ external/libxslt/0001-Fix-for-type-confusion-in-preprocessing-attributes.patch.1 \
))
# vim: set noet sw=4 ts=4: