QID 44105

Date Published: 2023-10-23

QID 44105: FortiOS Denial of Service (DoS) Vulnerability (FG-IR-23-184)

A use after free vulnerability CWE-416 in FortiOS and FortiProxy may allow an unauthenticated remote attacker to crash the Web Proxy process via multiple crafted packets reaching proxy policies or firewall policies with proxy mode alongside SSL deep packet inspection.

Affected Versions:
FortiOS version 7.2.0 through 7.2.4
FortiOS version 7.0.0 through 7.0.10

QID Detection Logic (Authenticated):
Detection checks for vulnerable version of FortiOS.

QID Detection Logic (Unauthenticated):
Detection checks for vulnerable version of FortiOS via SNMP Banner.

Successful exploit may allow an authenticated attacker to access a restricted resource from a non trusted host.

  • CVSS V3 rated as Medium - 5.3 severity.
  • CVSS V2 rated as High - 6.4 severity.
    • Solution

    Vendor has released fixes to address this vulnerability
    For more details refer advisory FG-IR-23-184

    Vendor References

    CVEs related to QID 44105

    CVE-2023-41675 |
    Software Advisories
    Advisory ID Software Component Link
    FG-IR-23-184 URL Logo www.fortiguard.com/psirt/FG-IR-23-184
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