vulnwire
6.2med

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, w…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
6.2
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 39%
Public exploits
0
none known

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 (EPSS)

0.45% probability of exploitation in the next 30 days, higher than 39% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.2CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.02.1AV:L/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • lists.opensuse.org /opensuse-updates/2016-06/msg00001.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • github.com /dosfstools/dosfstools/issues/25 · x_refsource_CONFIRM, x_transferred
  • blog.fuzzing-project.org /44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html · x_refsource_MISC, x_transferred
  • ubuntu.com /usn/USN-2986-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • github.com /dosfstools/dosfstools/issues/26 · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-09/msg00014.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • securityfocus.com /bid/90311 · vdb-entry, x_refsource_BID, x_transferred
  • github.com /dosfstools/dosfstools/commit/e8eff147e9da1185f9afd5b25948153a3b97cf52 · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2020/05/msg00028.html · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.