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| author | Mark H Weaver <mhw@netris.org> | 2015-11-15 14:46:33 -0500 |
|---|---|---|
| committer | Mark H Weaver <mhw@netris.org> | 2015-11-18 17:47:40 -0500 |
| commit | b4a88dc25f1d84a6610917db3f2eb9161c9e1349 (patch) | |
| tree | 180b003028d726affda60877a72c4e1279ba137b /gnu/packages/patches/libxslt-CVE-2015-7995.patch | |
| parent | ee6bb0cc763507b165674dbe03c6ae5d26c8da5c (diff) | |
| download | guix-b4a88dc25f1d84a6610917db3f2eb9161c9e1349.tar guix-b4a88dc25f1d84a6610917db3f2eb9161c9e1349.tar.gz | |
gnu: libxslt: Add fix for CVE-2015-7995.
* gnu/packages/patches/libxslt-CVE-2015-7995.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/xml.scm (libxslt)[source]: Add patch.
Diffstat (limited to 'gnu/packages/patches/libxslt-CVE-2015-7995.patch')
| -rw-r--r-- | gnu/packages/patches/libxslt-CVE-2015-7995.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gnu/packages/patches/libxslt-CVE-2015-7995.patch b/gnu/packages/patches/libxslt-CVE-2015-7995.patch new file mode 100644 index 0000000000..f291d5b387 --- /dev/null +++ b/gnu/packages/patches/libxslt-CVE-2015-7995.patch @@ -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"))) { +-- +2.6.3 + |