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CVE-2021-46790

Published: 2 May 2022

ntfsck in NTFS-3G through 2021.8.22 has a heap-based buffer overflow involving buffer+512*3-2. NOTE: the upstream position is that ntfsck is deprecated; however, it is shipped by some Linux distributions.

Notes

AuthorNote
mdeslaur
The ntfsck tool is in the ntfs-3g-dev binary package, which
isn't normally installed, and per upstream "ntfsck does nothing
useful, it has been put into the quarantine section, and the
distributions should not use it."
Setting priority to low.

Priority

Low

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
ntfs-3g
Launchpad, Ubuntu, Debian
upstream
Released (2022.5.17)
bionic
Released (1:2017.3.23-2ubuntu0.18.04.4)
focal
Released (1:2017.3.23AR.3-3ubuntu1.2)
impish
Released (1:2017.3.23AR.3-3ubuntu5.1)
jammy
Released (1:2021.8.22-3ubuntu1.1)
Patches:
upstream: https://github.com/tuxera/ntfs-3g/commit/96412e28e5c7ac2d15f1cff8c825330bbb60976e

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H