Out-of-Bounds The advisory has been revoked - it doesn't affect any version of package dosfstools (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1704-DOSFSTOOLS-621013
- published3 Jun 2016
- disclosed3 Jun 2016
Introduced: 3 Jun 2016
CVE-2016-4804 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:17.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream dosfstools package and not the dosfstools package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-4804
- https://security-tracker.debian.org/tracker/CVE-2016-4804
- https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52
- https://github.com/dosfstools/dosfstools/issues/25
- https://github.com/dosfstools/dosfstools/issues/26
- https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
- 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