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Scientific Linux Security Update : php-pear on SL7.x (noarch) (2022:7340)

high Nessus Plugin ID 167255

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Synopsis

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

Description

The remote Scientific Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the SLSA-2022:7340-1 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.

Solution

Update the affected php-pear package.

See Also

https://www.scientificlinux.org/category/sl-errata/slsa-20227340-1

Plugin Details

Severity: High

ID: 167255

File Name: sl_20221103_php_pear_on_SL7_x.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/10/2022

Updated: 11/11/2022

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

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

CVSS Score Source: CVE-2020-28949

CVSS v3

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: cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:php-pear

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/3/2022

Vulnerability Publication Date: 11/19/2020

CISA Known Exploited Vulnerability Due Dates: 9/15/2022

Exploitable With

Metasploit (PEAR Archive_Tar 1.4.10 Arbitrary File Write)

Reference Information

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