QID 43940

Date Published: 2022-11-02

QID 43940: FortiOS - Buffer Overflow Vulnerability in TFTP Client library of CLI (FG-IR-21-173)

A buffer overflow [CWE-121] in the TFTP client library of FortiOS may allow an authenticated local attacker to achieve arbitrary code execution via specially crafted command line arguments.

Affected Products:
FortiOS versions 6.0.13 and below
FortiOS versions 6.2.9 and below
FortiOS versions 6.4.7 and below
FortiOS versions 7.0.2 and below

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

Vulnerable version may allow an authenticated local attacker to achieve arbitrary code execution via specifically crafted command line arguments.

CVSS V3 rated as High - 6.7 severity.

CVSS V2 rated as Medium - 4.6 severity.

Solution

Vendor has released fixes to address this vulnerability
For more details refer advisory FG-IR-21-173

Vendor References

FG-IR-21-173 - www.fortiguard.com/psirt/FG-IR-21-173

CVEs related to QID 43940

CVE-2021-42757 |

Software Advisories

Advisory ID	Software	Component	Link
FG-IR-21-173			www.fortiguard.com/psirt/FG-IR-21-173

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