SB2019081530 - Debian update for libreoffice
Published: August 15, 2019 Updated: September 10, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2019-9850)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient patching of URL validation, as described in SB2019071703 #1. A remote attacker can bypass the protection that blocks calling LibreLogo from script event handlers and again trigger this calling.
2) Input validation error (CVE-ID: CVE-2019-9851)
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to the affected software mishandles LibreLogo scripts. A remote attacker can persuade a user to open a specially crafted document and execute arbitrary commands on an affected system.
3) Path traversal (CVE-ID: CVE-2019-9852)
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.
Remediation
Install update from vendor's website.