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libxml2 CVE-2012-2871 

the patch come from:
http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxml/src \
/include/libxml/tree.h?r1=56276&r2=149930

libxml2 2.9.0-rc1 and earlier, as used in Google Chrome before 21.0.1180.89,
does not properly support a cast of an unspecified variable during handling
of XSL transforms, which allows remote attackers to cause a denial of service
or possibly have unknown other impact via a crafted document, related to the
_xmlNs data structure in include/libxml/tree.h.

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-2871

[YOCTO #3580]
[ CQID: WIND00376779 ]
Upstream-Status: Pending

(From OE-Core rev: bc601f96f34ad17a87f599b58e502ec1b2c13fa3)

Signed-off-by: Li Wang <li.wang@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Li Wang 2012-12-13 13:54:21 +08:00 committed by Richard Purdie
parent 4371e8f68a
commit 8780c5ddf2
2 changed files with 38 additions and 1 deletions
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34
meta/recipes-core/libxml/libxml2/libxml2-CVE-2012-2871.patch Normal file
View File

@ -0,0 +1,34 @@
libxml2 CVE-2012-2871
the patch come from:
http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxml/src \
/include/libxml/tree.h?r1=56276&r2=149930
libxml2 2.9.0-rc1 and earlier, as used in Google Chrome before 21.0.1180.89,
does not properly support a cast of an unspecified variable during handling
of XSL transforms, which allows remote attackers to cause a denial of service
or possibly have unknown other impact via a crafted document, related to the
_xmlNs data structure in include/libxml/tree.h.
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-2871
Signed-off-by: Li Wang <li.wang@windriver.com>
---
include/libxml/tree.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/include/libxml/tree.h b/include/libxml/tree.h
index b733589..5422dda 100644
--- a/include/libxml/tree.h
+++ b/include/libxml/tree.h
@@ -351,6 +351,7 @@ struct _xmlNs {
struct _xmlNs *next; /* next Ns link for this node */
xmlNsType type; /* global or local */
const xmlChar *href; /* URL for the namespace */
+ const char *dummy_children; /* lines up with node->children */
const xmlChar *prefix; /* prefix for the namespace */
void *_private; /* application data */
struct _xmlDoc *context; /* normally an xmlDoc */
--
1.7.0.5

5
meta/recipes-core/libxml/libxml2_2.9.0.bb
View File

@ -1,6 +1,9 @@
require libxml2.inc
PR = "${INC_PR}.0"
PR = "${INC_PR}.1"
SRC_URI[md5sum] = "5b9bebf4f5d2200ae2c4efe8fa6103f7"
SRC_URI[sha256sum] = "ad25d91958b7212abdc12b9611cfb4dc4e5cddb6d1e9891532f48aacee422b82"
SRC_URI += "file://libxml2-CVE-2012-2871.patch \
"