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CVE-2019-9848

9.8 · CRITICAL

LibreOffice has a feature where documents can specify that pre-installed scripts can be executed on various document events such as mouse-over, etc.

Published Jul 17, 2019CWE-94EPSS 28.87%

Overview

CVE-2019-9848 is a critical-severity vulnerability. It was published on July 17, 2019 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-security-announce/2019-09/msg00006.htmlReflists.opensuse.org/opensuse-security-announce/2019-09/msg00067.htmlRefwww.securityfocus.com/bid/109374Reflists.debian.org/debian-lts-announce/2019/10/msg00005.htmlReflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMEGUWMWORC3DOVEHVXLFT3A5RSCMLBH/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XPTZJCNN52VNGSVC5DFKVW3EDMRDWKMP/Refseclists.org/bugtraq/2019/Aug/28Refsecurity.gentoo.org/glsa/201908-13Refusn.ubuntu.com/4063-1/Refwww.libreoffice.org/about-us/security/advisories/CVE-2019-9848

How CyberStrike helps

Frequently asked questions

What is CVE-2019-9848?

CVE-2019-9848 is a critical-severity vulnerability. It was published on July 17, 2019 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2019-9848?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-9848?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-9848?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-9848 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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