ISOMAN

CVE

CVE-2019-9850

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 block calling LibreLogo from script event handers. However an insufficient url validation vulnerability in LibreOffice allowed malicious to bypass that protection and again trigger calling LibreLogo from script event handlers. This issue affects: Document Foundation LibreOffice versions prior to 6.2.6.

Severity
CRITICAL
CVSS
9.8
Published
Modified

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource

References

  1. http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00006.html
  2. http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00067.html
  3. https://lists.debian.org/debian-lts-announce/2019/10/msg00005.html
  4. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMEGUWMWORC3DOVEHVXLFT3A5RSCMLBH/
  5. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WVSDPZJG3UA43X3JXRHJAWXLDZEW77LM/
  6. https://seclists.org/bugtraq/2019/Aug/28
  7. https://usn.ubuntu.com/4102-1/
  8. https://www.debian.org/security/2019/dsa-4501
  9. https://www.libreoffice.org/about-us/security/advisories/CVE-2019-9850
  10. http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00006.html
  11. http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00067.html
  12. https://lists.debian.org/debian-lts-announce/2019/10/msg00005.html
  13. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMEGUWMWORC3DOVEHVXLFT3A5RSCMLBH/
  14. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WVSDPZJG3UA43X3JXRHJAWXLDZEW77LM/
  15. https://seclists.org/bugtraq/2019/Aug/28
  16. https://usn.ubuntu.com/4102-1/
  17. https://www.debian.org/security/2019/dsa-4501
  18. https://www.libreoffice.org/about-us/security/advisories/CVE-2019-9850