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CVE Record

CVE-2019-9851: LibreLogo global-event script execution

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. Protection was added, to address CVE-2019-9848, to block calling LibreLogo from document event script handers, e.g. mouse over. However LibreOffice also has a separate feature where documents can specify that pre-installed scripts can be executed on various global script events such as document-open, etc. In the fixed versions, global script event handlers are validated equivalently to document script event handlers. This issue affects: Document Foundation LibreOffice versions prior to 6.2.6.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

A malicious LibreOffice document could use LibreLogo and global document events, such as opening the file, to run Python commands. This means a user opening a crafted document on LibreOffice before 6.2.6 could expose their workstation to code execution in their user context. Exposure is most likely on endpoints, VDI images, or servers where LibreOffice before 6.2.6 opens untrusted documents. Linux distributions issued security updates in 2019, so current managed fleets may only be exposed through legacy images, unmanaged desktops, or pinned packages. Treat this as a legacy endpoint code-execution risk. It is not KEV-listed in the supplied bundle, but organizations that handle external documents should confirm LibreOffice is updated because exploitation would start from normal document interaction. Mitigation focus: Upgrade LibreOffice to 6.2.6 or a vendor-fixed package.; Apply Debian, Ubuntu, Fedora, or openSUSE security updates where applicable.; Restrict opening untrusted documents on legacy LibreOffice systems..

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0ADP providers
7Source links

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Document FoundationLibreOfficeunspecifiedListed
Weakness

CWE details

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