CVE & CISA-KEV Catalog

CVE-2019-9851

CRITICALEPSS 100th pctl
9.8
CVSS v3
NVD

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. 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.

CWE-20Improper Input Validation

How to fix

Remediation Available
libreofficeDebian
Fixed in:1:6.3.0-1CVE-2019-9851
Fixed in:1:6.3.0-1CVE-2019-9851
Fixed in:1:6.3.0-1CVE-2019-9851
Fixed in:1:6.3.0-1CVE-2019-9851
libreofficeUbuntu
Fixed in:1:5.1.6~rc2-0ubuntu1~xenial9USN-4102-1
Fixed in:1:6.0.7-0ubuntu0.18.04.9USN-4102-1
libreoffice-coreUbuntu
Fixed in:1:5.1.6~rc2-0ubuntu1~xenial9USN-4102-1
Fixed in:1:6.0.7-0ubuntu0.18.04.9USN-4102-1
LibreOfficeWindows application
Affected:6.2.6Fixed in:6.2.6The Document Foundation

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

78.35%probability of exploitation in 30 days
100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

Vendor Advisory1
Other references1

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-3400Critical10.0100%KEV + Ransom-
CVE-2021-45105Medium5.9100%-Fix
CVE-2021-44228Critical10.0100%KEV + RansomFix
CVE-2021-21985Critical9.8100%KEV + RansomFix
CVE-2018-7600Critical9.8100%KEV + RansomFix
CVE-2020-3452High7.5100%KEVFix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.