diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/recipes-core/libxml/libxml2/libxml2-CVE-2017-0663.patch')
-rw-r--r-- | import-layers/yocto-poky/meta/recipes-core/libxml/libxml2/libxml2-CVE-2017-0663.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-core/libxml/libxml2/libxml2-CVE-2017-0663.patch b/import-layers/yocto-poky/meta/recipes-core/libxml/libxml2/libxml2-CVE-2017-0663.patch new file mode 100644 index 000000000..010826585 --- /dev/null +++ b/import-layers/yocto-poky/meta/recipes-core/libxml/libxml2/libxml2-CVE-2017-0663.patch @@ -0,0 +1,40 @@ +libxml2: Fix CVE-2017-0663 + +[No upstream tracking] -- https://bugzilla.gnome.org/show_bug.cgi?id=780228 + +valid: Fix type confusion in xmlValidateOneNamespace + +Comment out code that casts xmlNsPtr to xmlAttrPtr. ID types +on namespace declarations make no practical sense anyway. + +Fixes bug 780228 + +Upstream-Status: Backport [https://git.gnome.org/browse/libxml2/commit/?id=92b9e8c8b3787068565a1820ba575d042f9eec66] +CVE: CVE-2017-0663 +Signed-off-by: Andrej Valek <andrej.valek@siemens.com> + +diff --git a/valid.c b/valid.c +index 19f84b8..e03d35e 100644 +--- a/valid.c ++++ b/valid.c +@@ -4621,6 +4621,12 @@ xmlNodePtr elem, const xmlChar *prefix, xmlNsPtr ns, const xmlChar *value) { + } + } + ++ /* ++ * Casting ns to xmlAttrPtr is wrong. We'd need separate functions ++ * xmlAddID and xmlAddRef for namespace declarations, but it makes ++ * no practical sense to use ID types anyway. ++ */ ++#if 0 + /* Validity Constraint: ID uniqueness */ + if (attrDecl->atype == XML_ATTRIBUTE_ID) { + if (xmlAddID(ctxt, doc, value, (xmlAttrPtr) ns) == NULL) +@@ -4632,6 +4638,7 @@ xmlNodePtr elem, const xmlChar *prefix, xmlNsPtr ns, const xmlChar *value) { + if (xmlAddRef(ctxt, doc, value, (xmlAttrPtr) ns) == NULL) + ret = 0; + } ++#endif + + /* Validity Constraint: Notation Attributes */ + if (attrDecl->atype == XML_ATTRIBUTE_NOTATION) { |