Improper Certificate Validation Affecting libreoffice-help-ca package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.15% (53rd percentile)

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  • Snyk IDSNYK-CENTOS7-LIBREOFFICEHELPCA-2018372
  • published14 Oct 2021
  • disclosed11 Oct 2021

Introduced: 11 Oct 2021

CVE-2021-25633  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 libreoffice-help-ca.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libreoffice-help-ca package and not the libreoffice-help-ca package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to create a digitally signed ODF document, by manipulating the documentsignatures.xml or macrosignatures.xml stream within the document to combine multiple certificate data, which when opened caused LibreOffice to display a validly signed indicator but whose content was unrelated to the signature shown. This issue affects: The Document Foundation LibreOffice 7-0 versions prior to 7.0.6; 7-1 versions prior to 7.1.2.

CVSS Scores

version 3.1