Multiple vulnerabilities in Secomea GateManager

Published: 2021-02-23

Risk	Medium
Patch available	YES
Number of vulnerabilities	4
CVE-ID	CVE-2020-29024 CVE-2020-29021 CVE-2020-29023 CVE-2020-29022
CWE-ID	CWE-79 CWE-94 CWE-345
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	GateManager Server applications / Remote access servers, VPN
Vendor

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Sensitive Cookie in HTTPS Session Without 'Secure' Attribute

EUVDB-ID: #VU50859

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-29024

CWE-ID: N/A

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to missing HttpOnly and Secure flags on GoToAppliance. A remote attacker can gain access to sensitive cookies.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GateManager: before 9.3

External links

http://www.secomea.com/support/cybersecurity-advisory/#2418

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) Cross-site scripting

EUVDB-ID: #VU50861

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-29021

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in web UI. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.