CVE-2016-4804

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html
• https://github.com/dosfstools/dosfstools/issues/25
• https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
• http://www.ubuntu.com/usn/USN-2986-1
• https://github.com/dosfstools/dosfstools/issues/26
• http://lists.opensuse.org/opensuse-updates/2016-09/msg00014.html
• http://www.securityfocus.com/bid/90311
• https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52
• https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html

References

• http://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html
• https://github.com/dosfstools/dosfstools/issues/25
• https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
• http://www.ubuntu.com/usn/USN-2986-1
• https://github.com/dosfstools/dosfstools/issues/26
• http://lists.opensuse.org/opensuse-updates/2016-09/msg00014.html
• http://www.securityfocus.com/bid/90311
• https://github.com/dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52
• https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html

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