CVE-2019-9855
9.8 · CRITICALOverview
CVE-2019-9855 is a critical-severity vulnerability affecting libreoffice libreoffice. It was published on September 6, 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 is typically bundled with LibreLogo, a programmable turtle vector graphics script, which can execute arbitrary python commands contained with the document it is launched from. LibreOffice also has a feature where documents can specify that pre-installed scripts can be executed on various document script events such as mouse-over, etc. Protection was added to block calling LibreLogo from script event handers. However a Windows 8.3 path equivalence handling flaw left LibreOffice vulnerable under Windows that a document could trigger executing LibreLogo via a Windows filename pseudonym. This issue affects: Document Foundation LibreOffice 6.2 versions prior to 6.2.7; 6.3 versions prior to 6.3.1.
Remediation
Check the references section for vendor advisories and patches from libreoffice. Update libreoffice to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| libreoffice | libreoffice | >= 6.2.0, < 6.2.7 | Affected |
References
Frequently Asked Questions
What is CVE-2019-9855?
CVE-2019-9855 is a critical-severity vulnerability affecting libreoffice libreoffice. It was published on September 6, 2019 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2019-9855?
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-2019-9855?
Check the references section for vendor advisories and patches from libreoffice. Update libreoffice to the latest patched version. 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-2019-9855?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-9855 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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