Vulnerability Details 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) get_fat function.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 33.0%
CVSS Severity
CVSS v3 Score 6.2
CVSS v2 Score 2.1
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.html
- https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52
- https://github.com/dosfstools/dosfstools/issues/25
- https://github.com/dosfstools/dosfstools/issues/26
- 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/e8eff147e9da1185f9afd5b25948153a3b97cf52
- https://github.com/dosfstools/dosfstools/issues/25
- https://github.com/dosfstools/dosfstools/issues/26
- https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html
Products affected by CVE-2016-4804
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cpe:2.3:a:dosfstools_project:dosfstools:3.0.28
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cpe:2.3:o:canonical:ubuntu_linux:12.04
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:15.10
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:opensuse:leap:42.1
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cpe:2.3:o:opensuse:opensuse:13.2