#VU77179 Access of Uninitialized Pointer in FortiOS and FortiProxy - CVE-2023-29178

Vulnerability identifier: #VU77179

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-29178

CWE-ID: CWE-824

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiOS
Operating systems & Components / Operating system
FortiProxy
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to access to an uninitialized pointer within the administrative API interface. A remote user repeatedly send crafted HTTP or HTTPS requests to the API to crash the httpsd process.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiOS: 6.0.0 - 6.0.17, 6.2.0 - 6.2.15, 6.4.0 - 6.4.13, 7.0.0 - 7.0.11, 7.2.0 - 7.2.4

FortiProxy: 1.1.0 - 1.1.6, 1.2.0 - 1.2.13, 2.0.0 - 2.0.12, 7.0.0 - 7.0.9, 7.2.0 - 7.2.3

---

External links
https://fortiguard.fortinet.com/psirt/FG-IR-23-095

---

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.