Vulnerability Details 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 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."
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 26.7%
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/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
Products affected by CVE-2015-8872
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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