22134245 problem in LIBRARY/LIBXSLT
authorPetr Sumbera <petr.sumbera@oracle.com>
Mon, 16 Nov 2015 01:42:29 -0800
changeset 5123 eb9265af2135
parent 5122 b7fb00a04a81
child 5124 3a6b9e3809f7
22134245 problem in LIBRARY/LIBXSLT
components/libxslt/patches/CVE-2015-7995.patch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/libxslt/patches/CVE-2015-7995.patch	Mon Nov 16 01:42:29 2015 -0800
@@ -0,0 +1,34 @@
+Patch origin: upstream
+Patch status: will be part of next version
+
+https://git.gnome.org/browse/libxslt/commit/?id=7ca19df892ca22d9314e95d59ce2abdeff46b617
+
+From 7ca19df892ca22d9314e95d59ce2abdeff46b617 Mon Sep 17 00:00:00 2001
+From: Daniel Veillard <[email protected]>
+Date: Thu, 29 Oct 2015 19:33:23 +0800
+Subject: 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
[email protected]@ -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"))) {
+-- 
+cgit v0.11.2
+