third_party/libxml/chromium/libxml2-2.9.4-security-CVE-2017-7375-xmlParsePEReference-xxe.patch - Issue 2797923004: Improve XML serialization, URI parsing, and XPath node set processing.

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Unified Diff: third_party/libxml/chromium/libxml2-2.9.4-security-CVE-2017-7375-xmlParsePEReference-xxe.patch

Issue 2797923004: Improve XML serialization, URI parsing, and XPath node set processing. (Closed)

Patch Set: Rebase. Created 3 years, 8 months ago

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Index: third_party/libxml/chromium/libxml2-2.9.4-security-CVE-2017-7375-xmlParsePEReference-xxe.patch

diff --git a/third_party/libxml/chromium/libxml2-2.9.4-security-CVE-2017-7375-xmlParsePEReference-xxe.patch b/third_party/libxml/chromium/libxml2-2.9.4-security-CVE-2017-7375-xmlParsePEReference-xxe.patch

new file mode 100644

index 0000000000000000000000000000000000000000..5548b880d1ba1121c5ccd1afc2f9729cbd7ad4b3

--- /dev/null

+++ b/third_party/libxml/chromium/libxml2-2.9.4-security-CVE-2017-7375-xmlParsePEReference-xxe.patch

@@ -0,0 +1,19 @@

+https://bugzilla.gnome.org/show_bug.cgi?id=780691

+--- src/parser.c

++++ src/parser.c

+@@ -8130,6 +8130,14 @@ xmlParsePEReference(xmlParserCtxtPtr ctxt)

+ if (xmlPushInput(ctxt, input) < 0)

+ return;

+ } else {

++ if ((entity->etype == XML_EXTERNAL_PARAMETER_ENTITY) &&

++ ((ctxt->options & XML_PARSE_NOENT) == 0) &&

++ ((ctxt->options & XML_PARSE_DTDVALID) == 0) &&

++ ((ctxt->options & XML_PARSE_DTDLOAD) == 0) &&

++ ((ctxt->options & XML_PARSE_DTDATTR) == 0) &&

++ (ctxt->replaceEntities == 0) &&

++ (ctxt->validate == 0))

++ return;

+ /*

+ * TODO !!!

+ * handle the extra spaces added before and after