Oracle Linux 8 : libarchive (ELSA-2022-0892)

high Nessus Plugin ID 158956


The remote Oracle Linux host is missing one or more security updates.


The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-0892 advisory.

- libarchive: extracting a symlink with ACLs modifies ACLs of target (CVE-2021-23177)

- libarchive: symbolic links incorrectly followed when changing modes, times, ACL and flags of a file while extracting an archive (CVE-2021-31566)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Update the affected bsdtar, libarchive and / or libarchive-devel packages.

See Also

Plugin Details

Severity: High

ID: 158956

File Name: oraclelinux_ELSA-2022-0892.nasl

Version: 1.3

Type: local

Agent: unix

Published: 3/16/2022

Updated: 12/12/2022

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2021-31566


Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:bsdtar, p-cpe:/a:oracle:linux:libarchive, p-cpe:/a:oracle:linux:libarchive-devel

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 3/16/2022

Vulnerability Publication Date: 3/15/2022

Reference Information

CVE: CVE-2021-23177, CVE-2021-31566