medium6.2
CVE-2015-8872
The set_fat function in fat.c in dosfstools before 4.0 might allow attackers to corrupt a FAT12 filesystem or cause a denial of service (invalid memory read an…
Impact
The set_fat function in fat.c in dosfstools before 4.0 might allow attackers to corrupt a FAT12 filesystem or cause a denial of service (invalid memory read and crash) by writing an odd number of clusters to the third to last entry on a FAT12 filesystem, which triggers an "off-by-two error."
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Canonical | Ubuntu Linux | Versions 12.04, 14.04, 15.10, 16.04 |
| Opensuse | Leap | Version 42.1 |
| Opensuse | Opensuse | Version 13.2 |
| Dosfstools Project | Dosfstools | through 3.0.28 |
Weakness classification
References
- NVD record
- CVE.org record
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00014.html
- http://www.securityfocus.com/bid/90311
- http://www.ubuntu.com/usn/USN-2986-1
- https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
- https://github.com/dosfstools/dosfstools/commit/07908124838afcc99c577d1d3e84cef2dbd39cb7
- https://github.com/dosfstools/dosfstools/issues/12
- https://github.com/dosfstools/dosfstools/releases/tag/v4.0
- https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00014.html
- http://www.securityfocus.com/bid/90311
- http://www.ubuntu.com/usn/USN-2986-1
- https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
- https://github.com/dosfstools/dosfstools/commit/07908124838afcc99c577d1d3e84cef2dbd39cb7
- https://github.com/dosfstools/dosfstools/issues/12
- https://github.com/dosfstools/dosfstools/releases/tag/v4.0
- https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html