VulnerabilityModified
CVE-2016-4804
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)…
MEDIUM 6.2EPSS 0.45%
Does this matter?
Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.
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 3.0
- 6.2 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- dosfstools project/dosfstools · opensuse/leap · opensuse/opensuse · canonical/ubuntu linux
- Source
- cve@mitre.org
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-accesses.htmlPatch
- https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52
- https://github.com/dosfstools/dosfstools/issues/25Patch, Vendor Advisory
- https://github.com/dosfstools/dosfstools/issues/26Patch, Vendor 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-accesses.htmlPatch
- https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52
- https://github.com/dosfstools/dosfstools/issues/25Patch, Vendor Advisory
- https://github.com/dosfstools/dosfstools/issues/26Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.