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CVE-2019-9852

Published: 15 August 2019

LibreOffice has a feature where documents can specify that pre-installed macros can be executed on various script events such as mouse-over, document-open etc. Access is intended to be restricted to scripts under the share/Scripts/python, user/Scripts/python sub-directories of the LibreOffice install. Protection was added, to address CVE-2018-16858, to avoid a directory traversal attack where scripts in arbitrary locations on the file system could be executed. However this new protection could be bypassed by a URL encoding attack. In the fixed versions, the parsed url describing the script location is correctly encoded before further processing. This issue affects: Document Foundation LibreOffice versions prior to 6.2.6.

Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
libreoffice
Launchpad, Ubuntu, Debian
bionic
Released (1:6.0.7-0ubuntu0.18.04.9)
disco
Released (1:6.2.6-0ubuntu0.19.04.1)
precise Does not exist

trusty Does not exist

upstream
Released (1:6.3.0-1)
xenial
Released (1:5.1.6~rc2-0ubuntu1~xenial9)