Blame SOURCES/libxml2-CVE-2015-5312-Another-entity-expansion-issue.patch
|
 |
6dedca |
From 4e1ea576167520bbc2bad50797119983e133af74 Mon Sep 17 00:00:00 2001
|
|
|
6dedca |
From: David Drysdale <drysdale@google.com>
|
|
|
6dedca |
Date: Fri, 20 Nov 2015 11:13:45 +0800
|
|
|
6dedca |
Subject: [PATCH] CVE-2015-5312 Another entity expansion issue
|
|
|
6dedca |
To: libvir-list@redhat.com
|
|
|
6dedca |
|
|
|
6dedca |
For https://bugzilla.gnome.org/show_bug.cgi?id=756733
|
|
|
6dedca |
It is one case where the code in place to detect entities expansions
|
|
|
6dedca |
failed to exit when the situation was detected, leading to DoS
|
|
|
6dedca |
Problem reported by Kostya Serebryany @ Google
|
|
|
6dedca |
Patch provided by David Drysdale @ Google
|
|
|
6dedca |
|
|
|
6dedca |
Signed-off-by: Daniel Veillard <veillard@redhat.com>
|
|
|
6dedca |
---
|
|
|
6dedca |
parser.c | 4 ++++
|
|
|
6dedca |
1 file changed, 4 insertions(+)
|
|
|
6dedca |
|
|
|
6dedca |
diff --git a/parser.c b/parser.c
|
|
|
6dedca |
index a58dda3..e536e54 100644
|
|
|
6dedca |
--- a/parser.c
|
|
|
6dedca |
+++ b/parser.c
|
|
|
6dedca |
@@ -2801,6 +2801,10 @@ xmlStringLenDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int len,
|
|
|
6dedca |
0, 0, 0);
|
|
|
6dedca |
ctxt->depth--;
|
|
|
6dedca |
|
|
|
6dedca |
+ if ((ctxt->lastError.code == XML_ERR_ENTITY_LOOP) ||
|
|
|
6dedca |
+ (ctxt->lastError.code == XML_ERR_INTERNAL_ERROR))
|
|
|
6dedca |
+ goto int_error;
|
|
|
6dedca |
+
|
|
|
6dedca |
if (rep != NULL) {
|
|
|
6dedca |
current = rep;
|
|
|
6dedca |
while (*current != 0) { /* non input consuming loop */
|
|
|
6dedca |
--
|
|
|
6dedca |
2.5.0
|
|
|
6dedca |
|