Debian DLA-2731-1 : wordpress - LTS security update

critical Nessus Plugin ID 152214

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2731 advisory.

- PHPMailer before 5.2.27 and 6.x before 6.0.6 is vulnerable to an object injection attack. (CVE-2018-19296)

- PHPMailer 6.1.8 through 6.4.0 allows object injection through Phar Deserialization via addAttachment with a UNC pathname. NOTE: this is similar to CVE-2018-19296, but arose because 6.1.8 fixed a functionality problem in which UNC pathnames were always considered unreadable by PHPMailer, even in safe contexts. As an unintended side effect, this fix eliminated the code that blocked addAttachment exploitation.
(CVE-2020-36326)

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

Solution

Upgrade the wordpress packages.

For Debian 9 stretch, this problem has been fixed in version 4.7.21+dfsg-0+deb9u1.

Plugin Details

Severity: Critical

ID: 152214

File Name: debian_DLA-2731.nasl

Version: 1.2

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 8/4/2021

Updated: 8/4/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2020-36326

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:wordpress, p-cpe:/a:debian:debian_linux:wordpress-l10n, p-cpe:/a:debian:debian_linux:wordpress-theme-twentysixteen, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:wordpress-theme-twentyfifteen, p-cpe:/a:debian:debian_linux:wordpress-theme-twentyseventeen

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 8/4/2021

Vulnerability Publication Date: 11/16/2018

Reference Information

CVE: CVE-2018-19296, CVE-2020-36326

Detections

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