QID 43944

Date Published: 2022-12-14

QID 43944: FortiOS Buffer OverFlow Vulnerability (FG-IR-22-398)

A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests.

Affected Versions:
FortiOS version 7.2.0 through 7.2.2
FortiOS version 7.0.0 through 7.0.8
FortiOS version 6.4.0 through 6.4.10
FortiOS version 6.2.0 through 6.2.11
FortiOS version 6.0.0 through 6.0.15
FortiOS version 5.6.0 through 5.6.14
FortiOS version 5.4.0 through 5.4.13
FortiOS version 5.2.0 through 5.2.15
FortiOS version 5.0.0 through 5.0.14

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

Successful exploitation of the vulnerability may allow remote code execution.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as Critical - 10 severity.

Solution

Fortinet has released patch addressing the vulnerability. For more information please refer to FG-IR-22-398Workaround:
Vendor has recommended to disable SSL-VPN as a workaround for the vulnerability.

Vendor References

FG-IR-22-398 - www.fortiguard.com/psirt/FG-IR-22-398

CVEs related to QID 43944

CVE-2022-42475 |

Software Advisories

Advisory ID	Software	Component	Link
FG-IR-22-398			www.fortiguard.com/psirt/FG-IR-22-398

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