diff options
| author |   Lee Chee Yang <chee.yang.lee@intel.com> | 2020-02-04 07:06:01 -0800 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2020-02-04 18:42:49 +0000 |
| commit | 9fd363d21df59fff4488763d62548c936b4d14fb (patch) | |
| tree | 808d99722fac9e0e088f8c80dfdd8ea590ae2326 /meta | |
| parent | 2bba0052597020ea887c84419440df11f9859283 (diff) | |
| download | openembedded-core-contrib-9fd363d21df59fff4488763d62548c936b4d14fb.tar.gz | |
libxml2: Fix CVE-2019-19956
see:
https://gitlab.gnome.org/GNOME/libxml2/commit/5a02583c7e683896d84878bd90641d8d9b0d0549
Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta')
| -rw-r--r-- | meta/recipes-core/libxml/libxml2/Fix-CVE-2019-19956.patch | 40 | ||||
| -rw-r--r-- | meta/recipes-core/libxml/libxml2_2.9.9.bb | 1 |
2 files changed, 41 insertions, 0 deletions
diff --git a/meta/recipes-core/libxml/libxml2/Fix-CVE-2019-19956.patch b/meta/recipes-core/libxml/libxml2/Fix-CVE-2019-19956.patch new file mode 100644 index 0000000000..1c2dff9d5f --- /dev/null +++ b/meta/recipes-core/libxml/libxml2/Fix-CVE-2019-19956.patch @@ -0,0 +1,40 @@ +From 5a02583c7e683896d84878bd90641d8d9b0d0549 Mon Sep 17 00:00:00 2001 +From: Zhipeng Xie <xiezhipeng1@huawei.com> +Date: Wed, 7 Aug 2019 17:39:17 +0800 +Subject: [PATCH] Fix memory leak in xmlParseBalancedChunkMemoryRecover + +When doc is NULL, namespace created in xmlTreeEnsureXMLDecl +is bind to newDoc->oldNs, in this case, set newDoc->oldNs to +NULL and free newDoc will cause a memory leak. + +Found with libFuzzer. + +Closes #82. + +Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxml2/commit/5a02583c7e683896d84878bd90641d8d9b0d0549] +CVE: CVE-2019-19956 + +Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com> + +--- + parser.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/parser.c b/parser.c +index 1ce1ccf1..26d9f4e3 100644 +--- a/parser.c ++++ b/parser.c +@@ -13894,7 +13894,8 @@ xmlParseBalancedChunkMemoryRecover(xmlDocPtr doc, xmlSAXHandlerPtr sax, + xmlFreeParserCtxt(ctxt); + newDoc->intSubset = NULL; + newDoc->extSubset = NULL; +- newDoc->oldNs = NULL; ++ if(doc != NULL) ++ newDoc->oldNs = NULL; + xmlFreeDoc(newDoc); + + return(ret); +-- +2.24.1 + + diff --git a/meta/recipes-core/libxml/libxml2_2.9.9.bb b/meta/recipes-core/libxml/libxml2_2.9.9.bb index c38f883e44..c44a90b1c2 100644 --- a/meta/recipes-core/libxml/libxml2_2.9.9.bb +++ b/meta/recipes-core/libxml/libxml2_2.9.9.bb @@ -20,6 +20,7 @@ SRC_URI = "http://www.xmlsoft.org/sources/libxml2-${PV}.tar.gz;name=libtar \ file://libxml-m4-use-pkgconfig.patch \ file://0001-Make-ptest-run-the-python-tests-if-python-is-enabled.patch \ file://fix-execution-of-ptests.patch \ + file://Fix-CVE-2019-19956.patch \ " SRC_URI[libtar.md5sum] = "c04a5a0a042eaa157e8e8c9eabe76bd6" |