LibreOffice < 6.2.7 / 6.3.x < 6.3.1 Multiple Vulnerabilities (Windows)

critical Nessus Plugin ID 129535

Language:

Synopsis

An application installed on the remote host is affected by multiple vulnerabilities.

Description

The version of LibreOffice installed on the remote Windows host is prior to 6.2.7 or 6.3.x prior to 6.3.1. It is, therefore, affected by the following vulnerabilities:

- A directory traversal vulnerability resulting from a feature in LibreOffice which allows documents to specify pre-installed macros that can be executed on various script events. Only scripts under the 'share/Scripts/python' and /user/Scripts/python' sub-directories of the LibreOffice install should be accessible. Previous protection to address CVE-2019-9852 to avoid a similar attack was added, however this protection can be bypassed due to a flaw in how LibreOffice assembles the final script URL location. This flaw can be exploited to allow scripts in arbitrary locations on the file system to be executed. (CVE-2019-9854)

- An arbitrary script execution vulnerability caused by a flaw allowing event-based execution of Python scripts within a document. Previous protection was added to address this flaw, however due to a Windows 8.3 path equivalence flaw, Windows systems are still vulnerable via Windows filename pseudonyms. Note, LibreLogo must be installed for this vulnerability to be exploitable, however LibreLogo is frequently bundled with LibreOffice. (CVE-2019-9855)

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

Solution

Upgrade to LibreOffice version 6.2.7, 6.3.1 or later.

Plugin Details

Severity: Critical

ID: 129535

File Name: libreoffice_631.nasl

Version: 1.5

Type: local

Agent: windows

Family: Windows

Published: 10/3/2019

Updated: 4/19/2024

Supported Sensors: Nessus Agent, 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-2019-9855

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: cpe:/a:libreoffice:libreoffice

Required KB Items: installed_sw/LibreOffice, SMB/Registry/Enumerated

Exploit Ease: No known exploits are available

Patch Publication Date: 9/6/2019

Vulnerability Publication Date: 9/6/2019

Reference Information

CVE: CVE-2019-9854, CVE-2019-9855

IAVB: 2019-B-0078-S

Detections

Analytics