PT-2023-12904 · Fortinet · Fortiextender

Published 2023-02-16 · Updated 2023-02-24 · CVE-2022-27489

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Fortinet FortiExtender versions 7.0.0 through 7.0.3 Fortinet FortiExtender version 5.3.2 Fortinet FortiExtender versions 4.2.4 and below

Description The issue is related to an improper neutralization of special elements used in an os command, also known as 'os command injection'. This allows an attacker to execute unauthorized code or commands via crafted HTTP requests.

Recommendations For Fortinet FortiExtender versions 7.0.0 through 7.0.3, update to a version outside of this range to mitigate the risk. For Fortinet FortiExtender version 5.3.2, update to a version outside of this range to mitigate the risk. For Fortinet FortiExtender versions 4.2.4 and below, update to a version above 4.2.4 to mitigate the risk. As a temporary workaround, consider restricting access to crafted HTTP requests until a patch is available.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2022-27489

Affected Products

Fortiextender

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2022-27489 · Security Note
• https://osv.dev/vulnerability/CVE-2022-27489 · Vendor Advisory
• https://fortiguard.com/psirt/FG-IR-22-048 · Vendor Advisory
• https://t.me/cibsecurity/58370 · Telegram Post