diff options
Diffstat (limited to 'meta-oe/recipes-connectivity/libuv/libuv/CVE-2020-8252.patch')
| -rw-r--r-- | meta-oe/recipes-connectivity/libuv/libuv/CVE-2020-8252.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/meta-oe/recipes-connectivity/libuv/libuv/CVE-2020-8252.patch b/meta-oe/recipes-connectivity/libuv/libuv/CVE-2020-8252.patch new file mode 100644 index 0000000000..dd99b44873 --- /dev/null +++ b/meta-oe/recipes-connectivity/libuv/libuv/CVE-2020-8252.patch @@ -0,0 +1,41 @@ +From 0e6e8620496dff0eb285589ef1e37a7f407f3ddd Mon Sep 17 00:00:00 2001 +From: Ben Noordhuis <info@bnoordhuis.nl> +Date: Mon, 24 Aug 2020 11:42:27 +0200 +Subject: [PATCH] unix: don't use _POSIX_PATH_MAX + +Libuv was using _POSIX_PATH_MAX wrong. Bug introduced in commit b56d279b +("unix: do not require PATH_MAX to be defined") from September 2018. + +_POSIX_PATH_MAX is the minimum max path size guaranteed by POSIX, not +the actual max path size of the system libuv runs on. _POSIX_PATH_MAX +is always 256, the real max is often much bigger. + +This commit fixes buffer overruns when processing very long paths in +uv_fs_readlink() and uv_fs_realpath() because libuv was not allocating +enough memory to store the result. + +Fixes: https://github.com/libuv/libuv/issues/2965 +PR-URL: https://github.com/libuv/libuv/pull/2966 + +Upstream-Status: Backport [https://github.com/libuv/libuv/commit/0e6e8620496dff0eb285589ef1e37a7f407f3ddd] +CVE: CVE-2020-8252 +Signed-off-by: Andrej Kozemcak <andrej.kozemcak@siemens.com> +--- + src/unix/internal.h | 4 +--- + 1 file changed, 1 insertion(+), 3 deletions(-) + +diff --git a/src/unix/internal.h b/src/unix/internal.h +index 30711673e0..9d3c2297f8 100644 +--- a/src/unix/internal.h ++++ b/src/unix/internal.h +@@ -62,9 +62,7 @@ + # include <AvailabilityMacros.h> + #endif + +-#if defined(_POSIX_PATH_MAX) +-# define UV__PATH_MAX _POSIX_PATH_MAX +-#elif defined(PATH_MAX) ++#if defined(PATH_MAX) + # define UV__PATH_MAX PATH_MAX + #else + # define UV__PATH_MAX 8192 |