Multiple vulnerabilities in F-Secure Internet Gatekeeper

Published: 2021-09-29

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-33601 CVE-2021-33600
CWE-ID	CWE-94 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	F-Secure Internet Gatekeeper Other software / Other software solutions
Vendor	F-Secure

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Code Injection

EUVDB-ID: #VU56922

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-33601

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the web user interface. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

F-Secure Internet Gatekeeper: 5

External links

http://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame
http://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33601

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU56923

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-33600

CWE-ID: CWE-20 - Improper input validation