Signed-off-by: Andrej Kozemcak <[email protected]> --- .../libuv/libuv/CVE-2020-8252.patch | 41 +++++++++++++++++++ .../libuv/libuv_1.36.0.bb | 3 +- 2 files changed, 43 insertions(+), 1 deletion(-) create mode 100644 meta-oe/recipes-connectivity/libuv/libuv/CVE-2020-8252.patch
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 000000000..dd99b4487 --- /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 <[email protected]> +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 <[email protected]> +--- + 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 diff --git a/meta-oe/recipes-connectivity/libuv/libuv_1.36.0.bb b/meta-oe/recipes-connectivity/libuv/libuv_1.36.0.bb index deeaa2b15..757720731 100644 --- a/meta-oe/recipes-connectivity/libuv/libuv_1.36.0.bb +++ b/meta-oe/recipes-connectivity/libuv/libuv_1.36.0.bb @@ -5,7 +5,8 @@ LICENSE = "MIT" LIC_FILES_CHKSUM = "file://LICENSE;md5=a68902a430e32200263d182d44924d47" SRCREV = "533b738838ad8407032e14b6772b29ef9af63cfa" -SRC_URI = "git://github.com/libuv/libuv;branch=v1.x" +SRC_URI = "git://github.com/libuv/libuv;branch=v1.x \ + file://CVE-2020-8252.patch" S = "${WORKDIR}/git" -- 2.20.1
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