Format string errors in several Fortinet products
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2023-36640 CVE-2023-45583 |
| CWE-ID | CWE-134 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
FortiProxy Hardware solutions / Routers & switches, VoIP, GSM, etc FortiPAM Server applications / Directory software, identity management FortiSwitch Manager Client/Desktop applications / Software for system administration FortiOS Operating systems & Components / Operating system |
| Vendor | Fortinet, Inc |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Format string error
EUVDB-ID: #VU89656
Risk: Low
CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2023-36640
CWE-ID:
CWE-134 - Use of Externally-Controlled Format String
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a format string error in CLI. A local privileged user can pass specially crafted input to the CLI command and execute arbitrary code on the system.
Install updates from vendor's website.
Vulnerable software versionsFortiProxy: 1.0.0 - 7.2.5
FortiPAM: 1.0.0 - 1.1.0
FortiSwitch Manager: 7.0.0 - 7.2.2
FortiOS: 6.0.0 - 7.4.0
CPE2.3- cpe:2.3:h:fortinet:fortiproxy:1.0.7:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:1.1.6:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:1.2.13:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:2.0.14:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:7.0.11:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:7.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortipam:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortipam:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiswitch_manager:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiswitch_manager:7.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:6.0.18:*:*:*:*:*:*:*
https://fortiguard.com/psirt/FG-IR-23-137
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Format string error
EUVDB-ID: #VU89658
Risk: Low
CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2023-45583
CWE-ID:
CWE-134 - Use of Externally-Controlled Format String
Exploit availability: No
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a format string error in CLI. A local privileged user can pass specially crafted input to the CLI command and execute arbitrary code on the system.
Install updates from vendor's website.
Vulnerable software versionsFortiProxy: 1.0.0 - 7.2.5
FortiPAM: 1.0.0 - 1.1.0
FortiSwitch Manager: 7.0.0 - 7.2.2
FortiOS: 6.0.0 - 7.4.0
CPE2.3- cpe:2.3:h:fortinet:fortiproxy:1.0.7:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:1.1.6:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:1.2.13:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:2.0.14:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:7.0.11:*:*:*:*:*:*:*
- cpe:2.3:h:fortinet:fortiproxy:7.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortipam:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortipam:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiswitch_manager:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiswitch_manager:7.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:6.0.18:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:6.2.16:*:*:*:*:*:*:*
https://fortiguard.com/psirt/FG-IR-23-137
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
