Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html ↗
- https://github.com/dosfstools/dosfstools/issues/25 ↗
- https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html ↗
- http://www.ubuntu.com/usn/USN-2986-1 ↗
- https://github.com/dosfstools/dosfstools/issues/26 ↗
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00014.html ↗
- http://www.securityfocus.com/bid/90311 ↗
- https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52 ↗
- https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html ↗