SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-9848

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

CRITICAL 9.8EPSS 31.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 31.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
31.44% probability · 98th percentile
CISA KEV
Not listed
Weakness
CWE-94
Affected
libreoffice/libreoffice · canonical/ubuntu linux · fedoraproject/fedora · debian/debian linux · opensuse/leap
Source
security@documentfoundation.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.