ntfs-3g: add security fix for CVE-2017-0358

Jann Horn, Project Zero (Google) discovered that ntfs-3g, a read-write
NTFS driver for FUSE does not not scrub the environment before
executing modprobe to load the fuse module. This influence the behavior
of modprobe (MODPROBE_OPTIONS environment variable, --config and
--dirname options) potentially allowing for local root privilege
escalation if ntfs-3g is installed setuid.

Notice that Buildroot does NOT install netfs-3g setuid root, but custom
permission tables might be used, causing it to vulnerable to the above.

ntfs-3g does not seem to have a publicly available version control system
and no new releases have been made, so instead grab the patch from Debian.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Peter Korsgaard 2017-02-13 23:51:10 +01:00
parent 0e76cde70f
commit 6f971f354c
2 changed files with 2 additions and 0 deletions

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@ -1,2 +1,3 @@
# Locally calculated
sha256 d7b72c05e4b3493e6095be789a760c9f5f2b141812d5b885f3190c98802f1ea0 ntfs-3g_ntfsprogs-2016.2.22.tgz
sha256 43deadaeade489934b0b45e2ed8aa5f853ad0364fbde7ad144211b80132ea041 0003-CVE-2017-0358.patch

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@ -7,6 +7,7 @@
NTFS_3G_VERSION = 2016.2.22
NTFS_3G_SOURCE = ntfs-3g_ntfsprogs-$(NTFS_3G_VERSION).tgz
NTFS_3G_SITE = http://tuxera.com/opensource
NTFS_3G_PATCH = https://sources.debian.net/data/main/n/ntfs-3g/1:2016.2.22AR.1-4/debian/patches/0003-CVE-2017-0358.patch
NTFS_3G_CONF_OPTS = --disable-ldconfig
NTFS_3G_INSTALL_STAGING = YES
NTFS_3G_DEPENDENCIES = host-pkgconf