9.8
CRITICAL
CVE-2018-6871
LibreOffice WebService File Disclosure
Description

LibreOffice before 5.4.5 and 6.x before 6.0.1 allows remote attackers to read arbitrary files via =WEBSERVICE calls in a document, which use the COM.MICROSOFT.WEBSERVICE function.

INFO

Published Date :

Feb. 9, 2018, 6:29 a.m.

Last Modified :

Nov. 21, 2024, 4:11 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2018-6871 has a 7 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-6871 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat enterprise_linux_server_aus
5 Redhat enterprise_linux_server_eus
6 Redhat enterprise_linux_server_tus
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Libreoffice libreoffice
: Total Affected Vendor : 4 | Products : 9
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-6871.

URL Resource
https://access.redhat.com/errata/RHSA-2018:0418 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0517 Third Party Advisory
https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-5-4-5&id=a916fc0c0e0e8b10cb4158fa0fa173fe205d434a Patch Third Party Advisory
https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure Exploit Third Party Advisory
https://usn.ubuntu.com/3579-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4111 Third Party Advisory
https://www.exploit-db.com/exploits/44022/ Exploit Third Party Advisory VDB Entry
https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/ Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0418 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0517 Third Party Advisory
https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-5-4-5&id=a916fc0c0e0e8b10cb4158fa0fa173fe205d434a Patch Third Party Advisory
https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure Exploit Third Party Advisory
https://usn.ubuntu.com/3579-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4111 Third Party Advisory
https://www.exploit-db.com/exploits/44022/ Exploit Third Party Advisory VDB Entry
https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/ Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
pwnosec/CTF-Cheatsheet

Web CTF CheatSheet 🐈

JavaScript

Updated: 4 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Nov. 11, 2024, 8:48 p.m. This repo has been linked 23 different CVEs too.
Profile Photo
lnick2023/nicenice

None

Updated: 2 years, 2 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 11, 2023, 1:21 p.m. This repo has been linked 1044 different CVEs too.
Profile Photo
duckstroms/Web-CTF-Cheatsheet

Web CTF CheatSheet 🐈

ctf cheatsheet capture-the-flag

PHP Classic ASP ASP.NET Python Ruby Batchfile PowerShell VBScript

Updated: 2 months, 3 weeks ago
22 stars 5 fork 5 watcher
Born at : July 17, 2021, 6:30 a.m. This repo has been linked 23 different CVEs too.
Profile Photo
xbl3/awesome-cve-poc_qazbnm456

None

Updated: 3 months, 3 weeks ago
13 stars 4 fork 4 watcher
Born at : May 25, 2020, 7:51 a.m. This repo has been linked 1029 different CVEs too.
Profile Photo
jollheef/libreoffice-remote-arbitrary-file-disclosure

Proof of concept of LibreOffice remote arbitrary file disclosure vulnerability

Updated: 7 months, 3 weeks ago
94 stars 9 fork 9 watcher
Born at : Feb. 7, 2018, 11:26 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
w181496/Web-CTF-Cheatsheet

Web CTF CheatSheet 🐈

cheatsheet ctf

Ruby PHP Batchfile PowerShell Python VBScript Classic ASP ASP.NET

Updated: 1 month, 4 weeks ago
2718 stars 481 fork 481 watcher
Born at : Dec. 14, 2017, 3:19 p.m. This repo has been linked 31 different CVEs too.
Profile Photo
qazbnm456/awesome-cve-poc

✍️ A curated list of CVE PoCs.

awesome cve poc

Updated: 1 month, 4 weeks ago
3365 stars 683 fork 683 watcher
Born at : Feb. 2, 2017, 6:43 a.m. This repo has been linked 1044 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-6871 vulnerability anywhere in the article.

  • Cyber Security News
LibreOffice Vulnerabilities Let Attackers Execute Malicious Files on Windows Systems

A critical security vulnerability in LibreOffice (CVE-2025-0514) has been patched after researchers discovered that manipulated documents could bypass safeguards and execute malicious files on Windows ... Read more

Published Date: Feb 27, 2025 (1 month, 1 week ago)
CVE-2025-0514 CVE-2018-6871

The following table lists the changes that have been made to the CVE-2018-6871 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:0418
    Added Reference https://access.redhat.com/errata/RHSA-2018:0517
    Added Reference https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-5-4-5&id=a916fc0c0e0e8b10cb4158fa0fa173fe205d434a
    Added Reference https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure
    Added Reference https://usn.ubuntu.com/3579-1/
    Added Reference https://www.debian.org/security/2018/dsa-4111
    Added Reference https://www.exploit-db.com/exploits/44022/
    Added Reference https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-255 NVD-CWE-noinfo
  • Modified Analysis by [email protected]

    Mar. 05, 2019

    Action Type Old Value New Value
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:0418 No Types Assigned https://access.redhat.com/errata/RHSA-2018:0418 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:0517 No Types Assigned https://access.redhat.com/errata/RHSA-2018:0517 Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3579-1/ No Types Assigned https://usn.ubuntu.com/3579-1/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 18, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3579-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 15, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:0517 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 08, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:0418 [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 27, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure No Types Assigned https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure Exploit, Third Party Advisory
    Changed Reference Type https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/ No Types Assigned https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/ Vendor Advisory
    Changed Reference Type https://www.exploit-db.com/exploits/44022/ No Types Assigned https://www.exploit-db.com/exploits/44022/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-5-4-5&id=a916fc0c0e0e8b10cb4158fa0fa173fe205d434a No Types Assigned https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-5-4-5&id=a916fc0c0e0e8b10cb4158fa0fa173fe205d434a Patch, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2018/dsa-4111 No Types Assigned https://www.debian.org/security/2018/dsa-4111 Third Party Advisory
    Added CWE CWE-255
    Added CPE Configuration OR *cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:* versions up to (excluding) 5.4.5 *cpe:2.3:a:libreoffice:libreoffice:6.0.0:*:*:*:*:*:*:* *cpe:2.3:a:libreoffice:libreoffice:6.0.0:alpha1:*:*:*:*:*:* *cpe:2.3:a:libreoffice:libreoffice:6.0.0:beta1:*:*:*:*:*:* *cpe:2.3:a:libreoffice:libreoffice:6.0.0:beta2:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Feb. 20, 2018

    Action Type Old Value New Value
    Changed Description LibreOffice through 6.0.1 allows remote attackers to read arbitrary files via =WEBSERVICE calls in a document, which use the COM.MICROSOFT.WEBSERVICE function. LibreOffice before 5.4.5 and 6.x before 6.0.1 allows remote attackers to read arbitrary files via =WEBSERVICE calls in a document, which use the COM.MICROSOFT.WEBSERVICE function.
    Added Reference https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/ [No Types Assigned]
    Added Reference https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-5-4-5&id=a916fc0c0e0e8b10cb4158fa0fa173fe205d434a [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 14, 2018

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/44022/ [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 13, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4111 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-6871 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-6871 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

50.88 }} -10.15%

score

0.97630

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: