Privilege escalation in Sophos UTM

1) Privilege escalation

EUVDB-ID: #VU10852

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/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 remote authenticated attacker to gain elevated privileges on the target system.

The weakness exists due to insufficient validation of user-supplied input. A remote attacker can access the 'confd' service via the localhost interface to obtain a session token and then use the session token to submit a specially crafted request via the network to '/webadmin.plx' to set the root password.

Mitigation

Update to version 9.508.

Vulnerable software versions

Sophos UTM: 9.410 - 9.503

External links

http://community.sophos.com/products/unified-threat-management/b/utm-blog/posts/utm-up2date-9-508-r...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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