mirror of
https://git.yoctoproject.org/poky
synced 2026-02-12 03:33:02 +01:00
0ca68e153d
(From OE-Core rev: f2f7aa9a495774fe5a2e3947584cb3503bd1eaf1) Signed-off-by: Anuj Mittal <anuj.mittal@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
From 0e1a49c8907645d2e155f0d89d4d9895ac5112b5 Mon Sep 17 00:00:00 2001
|
|
From: Zhipeng Xie <xiezhipeng1@huawei.com>
|
|
Date: Thu, 12 Dec 2019 17:30:55 +0800
|
|
Subject: [PATCH] Fix infinite loop in xmlStringLenDecodeEntities
|
|
|
|
When ctxt->instate == XML_PARSER_EOF,xmlParseStringEntityRef
|
|
return NULL which cause a infinite loop in xmlStringLenDecodeEntities
|
|
|
|
Found with libFuzzer.
|
|
|
|
Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
|
|
|
|
Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076]
|
|
CVE: CVE-2020-7595
|
|
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
|
|
---
|
|
parser.c | 3 ++-
|
|
1 file changed, 2 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/parser.c b/parser.c
|
|
index d1c31963..a34bb6cd 100644
|
|
--- a/parser.c
|
|
+++ b/parser.c
|
|
@@ -2646,7 +2646,8 @@ xmlStringLenDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int len,
|
|
else
|
|
c = 0;
|
|
while ((c != 0) && (c != end) && /* non input consuming loop */
|
|
- (c != end2) && (c != end3)) {
|
|
+ (c != end2) && (c != end3) &&
|
|
+ (ctxt->instate != XML_PARSER_EOF)) {
|
|
|
|
if (c == 0) break;
|
|
if ((c == '&') && (str[1] == '#')) {
|
|
--
|
|
2.24.1
|
|
|