diff options
Diffstat (limited to 'meta-oe/recipes-support/hdf5/files/CVE-2021-37501.patch')
-rw-r--r-- | meta-oe/recipes-support/hdf5/files/CVE-2021-37501.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/meta-oe/recipes-support/hdf5/files/CVE-2021-37501.patch b/meta-oe/recipes-support/hdf5/files/CVE-2021-37501.patch new file mode 100644 index 0000000000..01099f3438 --- /dev/null +++ b/meta-oe/recipes-support/hdf5/files/CVE-2021-37501.patch @@ -0,0 +1,37 @@ +From 602015eacc53bf2699bf4c4e5420b63c3f067547 Mon Sep 17 00:00:00 2001 +From: Mingli Yu <mingli.yu@windriver.com> +Date: Mon, 11 Sep 2023 14:01:37 +0800 +Subject: [PATCH] Check for overflow when calculating on-disk attribute data + size + +Bogus sizes in this test case causes the on-disk data size +calculation in H5O_attr_decode() to overflow so that the +calculated size becomes 0. This causes the read to overflow +and h5dump to segfault. + +CVE: CVE-2021-37501 + +Upstream-Status: Backport [https://github.com/HDFGroup/hdf5/commit/b16ec83d4bd79f9ffaad85de16056419f3532887] + +Signed-off-by: Mingli Yu <mingli.yu@windriver.com> +--- + src/H5Oattr.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/src/H5Oattr.c b/src/H5Oattr.c +index c2c0fe3..c289344 100644 +--- a/src/H5Oattr.c ++++ b/src/H5Oattr.c +@@ -217,6 +217,9 @@ H5O_attr_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned H5_ATTR_UNUSED + + /* Compute the size of the data */ + H5_CHECKED_ASSIGN(attr->shared->data_size, size_t, H5S_GET_EXTENT_NPOINTS(attr->shared->ds) * H5T_get_size(attr->shared->dt), hsize_t); ++ /* Check if multiplication has overflown */ ++ if ((attr->shared->data_size / H5T_get_size(attr->shared->dt)) != H5S_GET_EXTENT_NPOINTS(attr->shared->ds)) ++ HGOTO_ERROR(H5E_RESOURCE, H5E_OVERFLOW, NULL, "data size exceeds addressable range"); + + /* Go get the data */ + if(attr->shared->data_size) { +-- +2.25.1 + |