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CVE-2022-26306

Published: 25 July 2022

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 the required initialization vector for encryption was always the same which weakens the security of the encryption making them vulnerable if an attacker has access to the user's configuration data. This issue affects: The Document Foundation LibreOffice 7.2 versions prior to 7.2.7; 7.3 versions prior to 7.3.1.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libreoffice
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(1:7.3.3-0ubuntu0.22.04.1)
lunar Not vulnerable

trusty Ignored
(end of standard support)
upstream
Released (1:7.3.3~rc1-2)
bionic
Released (1:6.0.7-0ubuntu0.18.04.12)
focal
Released (1:6.4.7-0ubuntu0.20.04.5)
kinetic Not vulnerable

xenial Ignored
(end of standard support)
Patches:
upstream: https://github.com/LibreOffice/core/commit/ab77587ec300f5c30084471000663c46ddf25dad (7.2)
upstream: https://github.com/LibreOffice/core/commit/713296ecd30bab02d41fcd23f19afed28d916701 (6.4)
upstream: https://github.com/LibreOffice/core/commit/bfec3cf63ef43cc86e9a2fd90600d91b5fefe0c3 (6.1 pre)
upstream: https://github.com/LibreOffice/core/commit/55d3095f14e98e5d2aadddf392911ca2d2b6dca9 (6.1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N