CVE-2019-9850 — LibreOffice is typically bundled with LibreLogo, a programmable turtle vector gr

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

01What is this vulnerability?

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 address CVE-2019-9848, to…

02Affected products

Vendor	Product	Versions
Document Foundation	LibreOffice	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2019-08-15T21:30:42.285Z
• Last modified: 2024-09-16T16:47:47.975Z

09References

• www.libreoffice.org — https://www.libreoffice.org/about-us/security/advisories/CVE-2019-9850
• seclists.org — https://seclists.org/bugtraq/2019/Aug/28
• www.debian.org — https://www.debian.org/security/2019/dsa-4501
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• usn.ubuntu.com — https://usn.ubuntu.com/4102-1/
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00006.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00067.html
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2019/10/msg00005.html