Executive Summary

Summary
Title LibreOffice vulnerabilities
Informations
Name USN-4063-1 First vendor Publication 2019-07-17
Vendor Ubuntu Last vendor Modification 2019-07-17
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
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Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
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Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in LibreOffice.

Software Description: - libreoffice: Office productivity suite

Details:

Nils Emmerich discovered that LibreOffice incorrectly handled LibreLogo scripts. If a user were tricked into opening a specially crafted document, a remote attacker could cause LibreOffice to execute arbitrary code. (CVE-2019-9848)

Matei "Mal" Badanoiu discovered that LibreOffice incorrectly handled stealth mode. Contrary to expectations, bullet graphics could be retrieved from remote locations when running in stealth mode. (CVE-2019-9849)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04:
libreoffice-core 1:6.2.5-0ubuntu0.19.04.1

Ubuntu 18.04 LTS:
libreoffice-core 1:6.0.7-0ubuntu0.18.04.8

Ubuntu 16.04 LTS:
libreoffice-core 1:5.1.6~rc2-0ubuntu1~xenial8

After a standard system update you need to restart LibreOffice to make all the necessary changes.

References:
https://usn.ubuntu.com/4063-1
CVE-2019-9848, CVE-2019-9849

Package Information:
https://launchpad.net/ubuntu/+source/libreoffice/1:6.2.5-0ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/libreoffice/1:6.0.7-0ubuntu0.18.04.8
https://launchpad.net/ubuntu/+source/libreoffice/1:5.1.6~rc2-0ubuntu1~xenial8

Original Source

Url : http://www.ubuntu.com/usn/USN-4063-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-94 Failure to Control Generation of Code ('Code Injection')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 417
Os 3
Os 1
Os 2
Os 2

Snort® IPS/IDS

Date Description
2019-11-26 LibreOffice office document arbitrary script execution attempt
RuleID : 52000 - Revision : 1 - Type : FILE-OTHER
2019-11-26 LibreOffice office document arbitrary script execution attempt
RuleID : 51999 - Revision : 1 - Type : FILE-OTHER

Alert History

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0
1
Date Informations
2019-07-30 00:21:57
  • Multiple Updates
2019-07-17 21:18:51
  • First insertion