Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dosfstools Project | Dosfstools | <= 3.0.28 |
| Opensuse | Leap | 42.1 |
| Opensuse | Opensuse | 13.2 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- 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-Patch
- https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a
- https://github.com/dosfstools/dosfstools/issues/25PatchVendor Advisory
- https://github.com/dosfstools/dosfstools/issues/26PatchVendor Advisory
- 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-Patch
- https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a
FAQ
What is CVE-2016-4804?
CVE-2016-4804 is a vulnerability with a CVSS score of 6.2 (MEDIUM). 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_fa...
How severe is CVE-2016-4804?
CVE-2016-4804 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-4804?
Check the references section above for vendor advisories and patch information. Affected products include: Dosfstools Project Dosfstools, Opensuse Leap, Opensuse Opensuse, Canonical Ubuntu Linux.