Stack based buffer overflow in FortiWeb
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-23781 |
| CWE-ID | CWE-121 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Fortinet FortiWeb Server applications / Remote management servers, RDP, SSH |
| Vendor | Fortinet, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Stack-based buffer overflow
EUVDB-ID: #VU84872
Risk: Low
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-23781
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in FortiWeb SAML server configuration. A remote user can upload a specially crafted XML file, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFortinet FortiWeb: 6.3.6 - 7.0.1
External linkshttp://www.fortiguard.com/psirt/FG-IR-22-151
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
