Multiple vulnerabilities in FortiClient for Linux
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2019-15711 CVE-2019-16152 CVE-2019-16155 CVE-2019-17652 |
| CWE-ID | CWE-78 CWE-20 CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Fortinet FortiClient for Windows Server applications / Other server solutions |
| Vendor | Fortinet, Inc |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) OS Command Injection
EUVDB-ID: #VU22808
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-15711
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFortinet FortiClient for Windows: 0 - 6.2.1
External linkshttp://fortiguard.com/psirt/FG-IR-19-238
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Input validation error
EUVDB-ID: #VU22809
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-16152
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFortinet FortiClient for Windows: 0 - 6.2.1
External linkshttp://fortiguard.com/psirt/FG-IR-19-238
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU22810
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-16155
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFortinet FortiClient for Windows: 0 - 6.2.1
External linkshttp://fortiguard.com/psirt/FG-IR-19-238
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Input validation error
EUVDB-ID: #VU22811
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-17652
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFortinet FortiClient for Windows: 0 - 6.2.1
External linkshttp://fortiguard.com/psirt/FG-IR-19-238
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
