CVE-2022-26307

Weak Master Keys

Published Jul 25, 2022 CVSS 3.1 · 8.8 High EPSS 1.5% KEV · Not listed
Description
LibreOffice supports the storage of passwords for web connections in the user’s configuration database. The stored passwords are encrypted with a single master key provided by the user. A flaw in LibreOffice existed where master key was poorly encoded resulting in weakening its entropy from 128 to 43 bits making the stored passwords vulerable to a brute force attack if an attacker has access to the users stored config. This issue affects: The Document Foundation LibreOffice 7.2 versions prior to 7.2.7; 7.3 versions prior to 7.3.3.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3368-1 libreoffice security update
EUVD EUVD EUVD-2022-30868 LibreOffice supports the storage of passwords for web connections in the user’s configuration database. The stored passwords are encrypted with a single master key provided by the user. A flaw in LibreOffice existed where master key was poorly encoded resulting in weakening its entropy from 128 to 43 bits making the stored passwords vulerable to a brute force attack if an attacker has access to the users stored config. This issue affects: The Document Foundation LibreOffice 7.2 versions prior to 7.2.7; 7.3 versions prior to 7.3.3.
Ubuntu USN Ubuntu USN USN-5661-1 LibreOffice vulnerabilities
Ubuntu USN Ubuntu USN USN-5694-1 LibreOffice vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.0024}

epss

{'score': 0.00184}

Type Values Removed Values Added
Metrics epss

{'score': 0.00105}

epss

{'score': 0.0024}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Document Fdn.
Published
Updated
Aug 3, 2024, 5:03 AM
Reserved
Feb 28, 2022, 12:00 AM
Status
Modified
Published
Jul 25, 2022, 3:15 PM
Modified
Jun 17, 2026, 4:34 AM
Severity
Moderate
Public date
Jul 25, 2022, 12:00 AM