Medium severity · published Nov 21, 2019
CVE-2019-19221
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
5.5
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
FE
Fedora · Fedoraproject
32 · source: NVD
LI
Libarchive · Libarchive
3.4.0 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 19.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-19221
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-19221
Patch
https://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41
Exploit
https://github.com/libarchive/libarchive/issues/1276
Mailing List
https://lists.debian.org/debian-lts-announce/2022/04/msg00020.html
Mailing List
https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RHFV25AVTASTWZRF3KTSL357AQ6TYHM4/
Patch
https://usn.ubuntu.com/4293-1/
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