diff options
Diffstat (limited to 'dev-libs/libxml2/files/libxml2-2.9.1-external-param-entities.patch')
| -rw-r--r-- | dev-libs/libxml2/files/libxml2-2.9.1-external-param-entities.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/dev-libs/libxml2/files/libxml2-2.9.1-external-param-entities.patch b/dev-libs/libxml2/files/libxml2-2.9.1-external-param-entities.patch new file mode 100644 index 00000000..81f692fc --- /dev/null +++ b/dev-libs/libxml2/files/libxml2-2.9.1-external-param-entities.patch @@ -0,0 +1,39 @@ +From 9cd1c3cfbd32655d60572c0a413e017260c854df Mon Sep 17 00:00:00 2001 +From: Daniel Veillard <veillard@redhat.com> +Date: Tue, 22 Apr 2014 15:30:56 +0800 +Subject: [PATCH] Do not fetch external parameter entities + +Unless explicitely asked for when validating or replacing entities +with their value. Problem pointed out by Daniel Berrange <berrange@redhat.com> +--- + parser.c | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/parser.c b/parser.c +index 9347ac9..c0dea05 100644 +--- a/parser.c ++++ b/parser.c +@@ -2598,6 +2598,20 @@ xmlParserHandlePEReference(xmlParserCtxtPtr ctxt) { + xmlCharEncoding enc; + + /* ++ * Note: external parsed entities will not be loaded, it is ++ * not required for a non-validating parser, unless the ++ * option of validating, or substituting entities were ++ * given. Doing so is far more secure as the parser will ++ * only process data coming from the document entity by ++ * default. ++ */ ++ if ((entity->etype == XML_EXTERNAL_PARAMETER_ENTITY) && ++ ((ctxt->options & XML_PARSE_NOENT) == 0) && ++ ((ctxt->options & XML_PARSE_DTDVALID) == 0) && ++ (ctxt->validate == 0)) ++ return; ++ ++ /* + * handle the extra spaces added before and after + * c.f. http://www.w3.org/TR/REC-xml#as-PE + * this is done independently. +-- +1.9.2 + |