Input validation error in LibreOffice - CVE-2019-9855

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Main Vulnerability Database Vulnerabilities #VU20937

Input validation error in LibreOffice - CVE-2019-9855

Published: September 9, 2019 / Updated: September 10, 2019


Vulnerability identifier: #VU20937
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-9855
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to path equivalence handling flaw when a document can trigger executing LibreLogo via a Windows filename pseudonym. A remote attacker can execute arbitrary LibreLogo script on the target system.




Affected software

LibreOffice
libreoffice (Alpine package)
Opensuse

How to mitigate CVE-2019-9855

Install updates from vendor's website.

LibreOffice - addressed in versions 6.2.7, 6.3.1
libreoffice (Alpine package) - update to 6.2.7.1-r0

External References

Related Security Bulletins