Path traversal in LibreOffice - CVE-2019-9852

Vulnerability identifier: #VU20861

CSH Severity: High

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-9852

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to insufficient URL encoding in script location checks. A remote attacker can by persuade a user to open a specially crafted document and execute preinstalled macros on the target system.

LibreOffice
libreoffice (Debian package)
libreoffice (Red Hat package)
libreoffice (Alpine package)
libreoffice
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Opensuse
Fedora

Install updates from vendor's website.

LibreOffice - update to 6.2.6
libreoffice (Debian package) - addressed in versions 1:5.2.7-1+deb9u10, 1:6.1.5-3+deb10u3
libreoffice (Red Hat package) - addressed in versions 5.3.6.1-24.el7, 6.0.6.1-20.el8
libreoffice (Alpine package) - update to 6.2.6.2-r0
libreoffice - addressed in versions 6.1.6.3-3.fc29, 6.2.6.2-1.fc30

• https://usn.ubuntu.com/4102-1/
• https://www.debian.org/security/2019/dsa-4501
• https://www.libreoffice.org/about-us/security/advisories/CVE-2019-9852

• Debian update for libreoffice
• OpenSUSE Linux update for libreoffice
• OpenSUSE Linux update for libreoffice
• Red Hat Enterprise Linux 7 update for libreoffice
• Red Hat Enterprise Linux 8 update for libreoffice
• Path traversal in libreoffice (Alpine package)
• Fedora 30 update for libreoffice
• Fedora 29 update for libreoffice