From bf471a1aa905fb9b8bfa2d8d57fc56b119483693 Mon Sep 17 00:00:00 2001 From: Li Wang Date: Thu, 13 Dec 2012 13:54:21 +0800 Subject: 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: 6d4453ce06191c09787e65d3b6a704651608d8b7) Signed-off-by: Li Wang Signed-off-by: Saul Wold Signed-off-by: Ross Burton Signed-off-by: Richard Purdie --- meta/recipes-core/libxml/libxml2.inc | 1 + .../libxml/libxml2/libxml2-CVE-2012-2871.patch | 34 ++++++++++++++++++++++ meta/recipes-core/libxml/libxml2_2.8.0.bb | 2 +- 3 files changed, 36 insertions(+), 1 deletion(-) create mode 100644 meta/recipes-core/libxml/libxml2/libxml2-CVE-2012-2871.patch diff --git a/meta/recipes-core/libxml/libxml2.inc b/meta/recipes-core/libxml/libxml2.inc index 68437ae949..0c64edca3f 100644 --- a/meta/recipes-core/libxml/libxml2.inc +++ b/meta/recipes-core/libxml/libxml2.inc @@ -14,6 +14,7 @@ DEPENDS =+ "zlib" SRC_URI = "ftp://xmlsoft.org/libxml2/libxml2-${PV}.tar.gz \ file://libxml-64bit.patch \ + file://libxml2-CVE-2012-2871.patch \ file://ansidecl.patch" diff --git a/meta/recipes-core/libxml/libxml2/libxml2-CVE-2012-2871.patch b/meta/recipes-core/libxml/libxml2/libxml2-CVE-2012-2871.patch new file mode 100644 index 0000000000..3c66a9ca5e --- /dev/null +++ b/meta/recipes-core/libxml/libxml2/libxml2-CVE-2012-2871.patch @@ -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 +--- + 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 + diff --git a/meta/recipes-core/libxml/libxml2_2.8.0.bb b/meta/recipes-core/libxml/libxml2_2.8.0.bb index 37eba34e31..e38cf2c01c 100644 --- a/meta/recipes-core/libxml/libxml2_2.8.0.bb +++ b/meta/recipes-core/libxml/libxml2_2.8.0.bb @@ -1,6 +1,6 @@ require libxml2.inc -PR = "r2" +PR = "r3" SRC_URI[md5sum] = "c62106f02ee00b6437f0fb9d370c1093" SRC_URI[sha256sum] = "f2e2d0e322685193d1affec83b21dc05d599e17a7306d7b90de95bb5b9ac622a" -- cgit v1.2.3-54-g00ecf