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58 lines
2.0 KiB
58 lines
2.0 KiB
7 years ago
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commit 41b0d17368565b56677455be61b2c892bd665a27
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Author: Daniel Veillard <veillard@redhat.com>
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Date: Wed Jun 11 16:54:32 2014 +0800
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Fix regressions introduced by CVE-2014-0191 patch
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A number of issues have been raised after the fix, and this patch
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tries to correct all of them, though most were related to
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postvalidation.
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https://bugzilla.gnome.org/show_bug.cgi?id=730290
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and other reports on list, off-list and on Red Hat bugzilla
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diff --git a/parser.c b/parser.c
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index 32f1475..b58c2f0 100644
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--- a/parser.c
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+++ b/parser.c
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@@ -2622,8 +2622,8 @@ xmlParserHandlePEReference(xmlParserCtxtPtr ctxt) {
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xmlCharEncoding enc;
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/*
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- * Note: external parsed entities will not be loaded, it is
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- * not required for a non-validating parser, unless the
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+ * Note: external parameter entities will not be loaded, it
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+ * is not required for a non-validating parser, unless the
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* option of validating, or substituting entities were
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* given. Doing so is far more secure as the parser will
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* only process data coming from the document entity by
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@@ -2632,6 +2632,9 @@ xmlParserHandlePEReference(xmlParserCtxtPtr ctxt) {
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if ((entity->etype == XML_EXTERNAL_PARAMETER_ENTITY) &&
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((ctxt->options & XML_PARSE_NOENT) == 0) &&
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((ctxt->options & XML_PARSE_DTDVALID) == 0) &&
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+ ((ctxt->options & XML_PARSE_DTDLOAD) == 0) &&
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+ ((ctxt->options & XML_PARSE_DTDATTR) == 0) &&
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+ (ctxt->replaceEntities == 0) &&
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(ctxt->validate == 0))
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return;
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@@ -12643,6 +12646,9 @@ xmlIOParseDTD(xmlSAXHandlerPtr sax, xmlParserInputBufferPtr input,
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return(NULL);
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}
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+ /* We are loading a DTD */
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+ ctxt->options |= XML_PARSE_DTDLOAD;
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+
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/*
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* Set-up the SAX context
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*/
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@@ -12770,6 +12776,9 @@ xmlSAXParseDTD(xmlSAXHandlerPtr sax, const xmlChar *ExternalID,
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return(NULL);
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}
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+ /* We are loading a DTD */
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+ ctxt->options |= XML_PARSE_DTDLOAD;
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+
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/*
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* Set-up the SAX context
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*/
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