Analysis Summary

CVE-2023-44247 CVSS: 6.6

Fortinet FortiOS could allow a remote attacker to execute arbitrary code or commands on the system, caused by a double free vulnerability. By sending a specially crafted request, an attacker could exploit this vulnerability to execute arbitrary commands or code on the system.

CVE-2024-31488 CVSS: 6.1

FortiNAC is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

CVE-2024-26007 CVSS: 5.3

Fortinet FortiOS is vulnerable to a denial of service, caused by improper check or handling of exceptional conditions vulnerability. By sending a specially crafted HTTP request, a remote attacker could exploit this vulnerability to cause a denial of service.

CVE-2023-36640 CVSS: 6.7

Fortinet FortiProxy could allow a remote attacker to execute arbitrary code or commands on the system. This vulnerability is caused by an externally controlled format string. By sending a specially crafted request, an attacker could exploit this vulnerability to execute arbitrary commands or code on the system.

CVE-2023-45586 CVSS: 4.3

Fortinet FortiOS could allow a remote attacker to conduct spoofing attacks, caused by an insufficient verification of data authenticity vulnerability in FortiOS SSL-VPN tunnel mode. By sending specially crafted packets with spoofing the IP, an attacker could exploit this vulnerability to spoof another user.

CVE-2023-46714 CVSS: 7.2

Fortinet FortiOS is vulnerable to a stack buffer overflow, caused by improper bounds checking. By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the system to crash.

CVE-2023-45583 CVSS: 6.7

Fortinet FortiProxy could allow a remote attacker to execute arbitrary code or commands on the system. This vulnerability is caused by an externally controlled format string. By sending a specially crafted request, an attacker could exploit this vulnerability to execute arbitrary commands or code on the system.

CVE-2024-23105 CVSS: 7.5

Fortinet FortiPortal could allow a remote attacker to bypass security restrictions caused by the use of less trusted sources. By sending a specially crafted HTTPS packets, an attacker could exploit this vulnerability to bypass access IP protection.

Impact

• Denial of Service
• Code Execution
• Cross-Site Scripting
• Gain Access
• Buffer Overflow
• Security Bypass

Indicators of Compromise

CVE

• CVE-2023-44247
• CVE-2024-31488
• CVE-2024-26007
• CVE-2023-36640
• CVE-2023-45586
• CVE-2023-46714
• CVE-2023-45583
• CVE-2024-23105

Affected Vendors

Remediation

Refer to FortiGuard Advisory for patch, upgrade or suggested workaround information.

CVE-2023-44247

CVE-2024-31488

CVE-2024-26007

CVE-2023-36640

CVE-2023-45586

CVE-2023-46714

CVE-2023-45583

CVE-2024-23105