diff options
author | Steve Sakoman <steve@sakoman.com> | 2022-02-28 05:52:10 -1000 |
---|---|---|
committer | Steve Sakoman <steve@sakoman.com> | 2022-03-03 07:43:07 -1000 |
commit | b92c33285c5f886c95a3734e61007b522b62a71f (patch) | |
tree | 25cf4f20f0260314ac912ba394e6af501c681a02 | |
parent | 8105700b1d6d23c87332f453bdc7379999bb4b03 (diff) | |
download | openembedded-core-contrib-b92c33285c5f886c95a3734e61007b522b62a71f.tar.gz |
expat: fix CVE-2022-25314
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in
copyString.
Backport patch from:
https://github.com/libexpat/libexpat/pull/560/commits/efcb347440ade24b9f1054671e6bd05e60b4cafd
CVE: CVE-2022-25314
Signed-off-by: Steve Sakoman <steve@sakoman.com>
-rw-r--r-- | meta/recipes-core/expat/expat/CVE-2022-25314.patch | 32 | ||||
-rw-r--r-- | meta/recipes-core/expat/expat_2.2.9.bb | 1 |
2 files changed, 33 insertions, 0 deletions
diff --git a/meta/recipes-core/expat/expat/CVE-2022-25314.patch b/meta/recipes-core/expat/expat/CVE-2022-25314.patch new file mode 100644 index 0000000000..2f713ebb54 --- /dev/null +++ b/meta/recipes-core/expat/expat/CVE-2022-25314.patch @@ -0,0 +1,32 @@ +From efcb347440ade24b9f1054671e6bd05e60b4cafd Mon Sep 17 00:00:00 2001 +From: Samanta Navarro <ferivoz@riseup.net> +Date: Tue, 15 Feb 2022 11:56:57 +0000 +Subject: [PATCH] Prevent integer overflow in copyString + +The copyString function is only used for encoding string supplied by +the library user. + +Upstream-Status: Backport +https://github.com/libexpat/libexpat/pull/560/commits/efcb347440ade24b9f1054671e6bd05e60b4cafd + +CVE: CVE-2022-25314 + +Signed-off-by: Steve Sakoman <steve@sakoman.com> + +--- + expat/lib/xmlparse.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/lib/xmlparse.c b/lib/xmlparse.c +index 4b43e613..a39377c2 100644 +--- a/lib/xmlparse.c ++++ b/lib/xmlparse.c +@@ -7412,7 +7412,7 @@ getElementType(XML_Parser parser, const ENCODING *enc, const char *ptr, + + static XML_Char * + copyString(const XML_Char *s, const XML_Memory_Handling_Suite *memsuite) { +- int charsRequired = 0; ++ size_t charsRequired = 0; + XML_Char *result; + + /* First determine how long the string is */ diff --git a/meta/recipes-core/expat/expat_2.2.9.bb b/meta/recipes-core/expat/expat_2.2.9.bb index 4d945a295e..dd8eeddf80 100644 --- a/meta/recipes-core/expat/expat_2.2.9.bb +++ b/meta/recipes-core/expat/expat_2.2.9.bb @@ -17,6 +17,7 @@ SRC_URI = "git://github.com/libexpat/libexpat.git;protocol=https;branch=master \ file://CVE-2022-25236.patch \ file://CVE-2022-25313.patch \ file://CVE-2022-25313-regression.patch \ + file://CVE-2022-25314.patch \ file://libtool-tag.patch \ " |