CentOS 8 : php:7.4 (CESA-2022:6542)

high Nessus Plugin ID 165202


The remote CentOS host is missing one or more security updates.


The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2022:6542 advisory.

- Archive_Tar: allows an unserialization attack because phar: is blocked but PHAR: is not blocked (CVE-2020-28948)

- Archive_Tar: improper filename sanitization leads to file overwrites (CVE-2020-28949)

- Archive_Tar: directory traversal due to inadequate checking of symbolic links (CVE-2020-36193)

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


Update the affected packages.

See Also


Plugin Details

Severity: High

ID: 165202

File Name: centos8_RHSA-2022-6542.nasl

Version: 1.3

Type: local

Agent: unix

Published: 9/15/2022

Updated: 9/16/2022

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent

Risk Information


Risk Factor: High

Score: 8.4


Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

Temporal Vector: CVSS2#E:H/RL:OF/RC:C

CVSS Score Source: CVE-2020-28949


Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:2.3:a:centos:centos:php-pear:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:apcu-panel:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:libzip:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:libzip-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:libzip-tools:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:php-pecl-apcu:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:php-pecl-apcu-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:php-pecl-zip:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:php-pecl-rrd:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:php-pecl-xdebug:*:*:*:*:*:*:*, cpe:2.3:o:centos:centos:8-stream:*:*:*:*:*:*:*

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/15/2022

Vulnerability Publication Date: 11/19/2020

CISA Known Exploited Dates: 9/15/2022

Exploitable With

Metasploit (PEAR Archive_Tar 1.4.10 Arbitrary File Write)

Reference Information

CVE: CVE-2020-28949, CVE-2020-28948, CVE-2020-36193

RHSA: 2022:6542