CVE-2022-42475 — Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability
CVE-2022-42475: Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Fortinet |
| Product | FortiOS |
| Date added | 2022-12-13 |
| Due date | 2023-01-03 |
| Ransomware campaign use | Known |
Description
Multiple versions of Fortinet FortiOS SSL-VPN contain a heap-based buffer overflow vulnerability which can allow an unauthenticated, remote attacker to execute arbitrary code or commands via specifically crafted requests.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://www.fortiguard.com/psirt/FG-IR-22-398; https://nvd.nist.gov/vuln/detail/CVE-2022-42475
Weakness behind it
CISA records this vulnerability as an instance of CWE-197. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-42475
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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