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CVE-2019-19221

Published: 21 November 2019

In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
libarchive
Launchpad, Ubuntu, Debian
groovy
Released (3.4.0-1ubuntu2)
jammy
Released (3.4.0-1ubuntu2)
bionic
Released (3.2.2-3.1ubuntu0.6)
disco Ignored
(end of life)
eoan
Released (3.4.0-1ubuntu0.1)
focal
Released (3.4.0-1ubuntu2)
hirsute
Released (3.4.0-1ubuntu2)
impish
Released (3.4.0-1ubuntu2)
kinetic
Released (3.4.0-1ubuntu2)
lunar
Released (3.4.0-1ubuntu2)
trusty Needed

upstream Needs triage

xenial
Released (3.1.2-11ubuntu0.16.04.8)
mantic
Released (3.4.0-1ubuntu2)
Patches:
upstream: https://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H