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CVE-2021-33035

Published: 23 September 2021

Apache OpenOffice opens dBase/DBF documents and shows the contents as spreadsheets. DBF are database files with data organized in fields. When reading DBF data the size of certain fields is not checked: the data is just copied into local variables. A carefully crafted document could overflow the allocated space, leading to the execution of arbitrary code by altering the contents of the program stack. This issue affects Apache OpenOffice up to and including version 4.1.10

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
libreoffice
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(1:6.0.7-0ubuntu0.18.04.10)
focal Not vulnerable

hirsute Not vulnerable

impish Not vulnerable

trusty Ignored
(end of standard support)
upstream
Released (1:4.3.1-1)
xenial Ignored
(end of standard support)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H