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CVE-2021-39254

Published: 7 September 2021

A crafted NTFS image can cause an integer overflow in memmove, leading to a heap-based buffer overflow in the function ntfs_attr_record_resize, in NTFS-3G < 2021.8.22.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
ntfs-3g
Launchpad, Ubuntu, Debian
bionic
Released (1:2017.3.23-2ubuntu0.18.04.3)
focal
Released (1:2017.3.23AR.3-3ubuntu1.1)
hirsute
Released (1:2017.3.23AR.3-3ubuntu4.1)
impish
Released (1:2017.3.23AR.3-3ubuntu5)
upstream Needs triage

xenial
Released (1:2015.3.14AR.1-1ubuntu0.3+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
trusty
Released (1:2013.1.13AR.1-2ubuntu2+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
jammy
Released (1:2017.3.23AR.3-3ubuntu5)

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