Multiple vulnerabilities in Sophos UTM

Published: 2017-10-26

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	N/A
CWE-ID	CWE-264 CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Sophos UTM Client/Desktop applications / Antivirus software/Personal firewalls
Vendor	Sophos

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Privilege escalation

EUVDB-ID: #VU8939

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to insecure directory permissions. A local attacker with 'loginuser' privileges can set the root password and gain elevated privileges.

Mitigation

Update to version 9.503.

Vulnerable software versions

Sophos UTM: 9.410

External links

http://www.korelogic.com/Resources/Advisories/KL-001-2017-020.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

2) Cross-site scripting

EUVDB-ID: #VU8940

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: N/A

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 authenticated attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker with access to the 'Logging & Reporting' function 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.