SB2019111803 - Multiple vulnerabilities in FortiClient for Linux
Published: November 18, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) OS Command Injection (CVE-ID: CVE-2019-15711)
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote authenticated attacker can execute arbitrary OS commands through IPC socket by export logs on the system with running FortiClient for Linux.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Input validation error (CVE-ID: CVE-2019-16152)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote authenticated attacker can malformat nanomsg and cause a denial of service condition through IPC socket on the system with running FortiClient for Linux.
3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-16155)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to improper permission checks. A remote authenticated attacker can escalate privileges on the system with running FortiClient for Linux through IPC socket by backup file.
4) Input validation error (CVE-ID: CVE-2019-17652)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote authenticated attacker can cause a denial of service condition on the system with running FortiClient for Linux through IPC socket by argv through nanomsg.
Remediation
Install update from vendor's website.