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CVE-2019-19221

Date: November 20, 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.

Language: RPM

Severity Score

5.5

Related Resources (13)

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-19221

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RHFV25AVTASTWZRF3KTSL357AQ6TYHM4/

Url: https://github.com/libarchive/libarchive/issues/1276

Url: https://access.redhat.com/security/cve/CVE-2019-19221

Url: https://security-tracker.debian.org/tracker/CVE-2019-19221

Url: https://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RHFV25AVTASTWZRF3KTSL357AQ6TYHM4/

Url: https://usn.ubuntu.com/4293-1/

Url: https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html

Url: https://security.alpinelinux.org/vuln/CVE-2019-19221

Url: https://lists.debian.org/debian-lts-announce/2022/04/msg00020.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-19221

Url: https://www.mend.io/vulnerability-database/CVE-2019-19221

Severity Score

5.5

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	2.1
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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