CVE-2019-9848 Information

Description

LibreOffice has a feature where documents can specify that pre-installed scripts can be executed on various document events such as mouse-over etc. LibreOffice is typically also bundled with LibreLogo a programmable turtle vector graphics script which can be manipulated into executing arbitrary python commands. By using the document event feature to trigger LibreLogo to execute python contained within a document a malicious document could be constructed which would execute arbitrary python commands silently without warning. In the fixed versions LibreLogo cannot be called from a document event handler. This issue affects: Document Foundation LibreOffice versions prior to 6.2.5.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00067.html http://www.securityfocus.com/bid/109374 https://lists.debian.org/debian-lts-announce/2019/10/msg00005.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PMEGUWMWORC3DOVEHVXLFT3A5RSCMLBH/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XPTZJCNN52VNGSVC5DFKVW3EDMRDWKMP/ https://seclists.org/bugtraq/2019/Aug/28 https://security.gentoo.org/glsa/201908-13 https://usn.ubuntu.com/4063-1/ https://www.libreoffice.org/about-us/security/advisories/CVE-2019-9848

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8