diff options
Diffstat (limited to 'recipes-core/libxml/libxml2/CVE-2017-7375-Prevent-unwanted-external-entity-reference.patch')
-rw-r--r-- | recipes-core/libxml/libxml2/CVE-2017-7375-Prevent-unwanted-external-entity-reference.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/recipes-core/libxml/libxml2/CVE-2017-7375-Prevent-unwanted-external-entity-reference.patch b/recipes-core/libxml/libxml2/CVE-2017-7375-Prevent-unwanted-external-entity-reference.patch new file mode 100644 index 0000000..252929c --- /dev/null +++ b/recipes-core/libxml/libxml2/CVE-2017-7375-Prevent-unwanted-external-entity-reference.patch | |||
@@ -0,0 +1,40 @@ | |||
1 | From 90ccb58242866b0ba3edbef8fe44214a101c2b3e Mon Sep 17 00:00:00 2001 | ||
2 | From: Neel Mehta <nmehta@google.com> | ||
3 | Date: Fri, 7 Apr 2017 17:43:02 +0200 | ||
4 | Subject: [PATCH] Prevent unwanted external entity reference | ||
5 | |||
6 | For https://bugzilla.gnome.org/show_bug.cgi?id=780691 | ||
7 | |||
8 | * parser.c: add a specific check to avoid PE reference | ||
9 | |||
10 | CVE: CVE-2018-7375 | ||
11 | Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxml2/commit/90ccb58242866b0ba3edbef8fe44214a101c2b3e] | ||
12 | |||
13 | Signed-off-by: Andreas Wellving <andreas.wellving@enea.com> | ||
14 | --- | ||
15 | parser.c | 9 +++++++++ | ||
16 | 1 file changed, 9 insertions(+) | ||
17 | |||
18 | diff --git a/parser.c b/parser.c | ||
19 | index 609a270..c2c812d 100644 | ||
20 | --- a/parser.c | ||
21 | +++ b/parser.c | ||
22 | @@ -8123,6 +8123,15 @@ xmlParsePEReference(xmlParserCtxtPtr ctxt) | ||
23 | if (xmlPushInput(ctxt, input) < 0) | ||
24 | return; | ||
25 | } else { | ||
26 | + if ((entity->etype == XML_EXTERNAL_PARAMETER_ENTITY) && | ||
27 | + ((ctxt->options & XML_PARSE_NOENT) == 0) && | ||
28 | + ((ctxt->options & XML_PARSE_DTDVALID) == 0) && | ||
29 | + ((ctxt->options & XML_PARSE_DTDLOAD) == 0) && | ||
30 | + ((ctxt->options & XML_PARSE_DTDATTR) == 0) && | ||
31 | + (ctxt->replaceEntities == 0) && | ||
32 | + (ctxt->validate == 0)) | ||
33 | + return; | ||
34 | + | ||
35 | /* | ||
36 | * TODO !!! | ||
37 | * handle the extra spaces added before and after | ||
38 | -- | ||
39 | 2.7.4 | ||
40 | |||