The read_boot function in boot.c in dosfstools before 4.0 allows attackers to cause a denial of service (crash) via a crafted filesystem, which triggers a heap-based buffer overflow in the (1) read_fat function or an out-of-bounds heap read in (2) get_fat function.
CPE | Name | Operator | Version |
---|---|---|---|
ubuntu_linux | eq | 12.04 | |
ubuntu_linux | eq | 16.04 | |
ubuntu_linux | eq | 15.10 | |
ubuntu_linux | eq | 14.04 | |
dosfstools | le | 3.0.28 | |
leap | eq | 42.1 | |
opensuse | eq | 13.2 |
lists.opensuse.org/opensuse-updates/2016-06/msg00001.html
lists.opensuse.org/opensuse-updates/2016-09/msg00014.html
www.securityfocus.com/bid/90311
www.ubuntu.com/usn/USN-2986-1
blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52
github.com/dosfstools/dosfstools/issues/25
github.com/dosfstools/dosfstools/issues/26
lists.debian.org/debian-lts-announce/2020/05/msg00028.html