Privilege escalation in TotalAV

1) Privilege escalation

EUVDB-ID: #VU14029

Risk: Low

CVSSv3.1: 8.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2018-7535

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 vulnerability exists in the access control that is set and modified during the installation of the product due to weak "C:\Program Files\TotalAV" permissions. A local attacker can gain elevated privileges and execute arbitrary code under the context of Administrator, the IUSR account, or SYSTEM.

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

Mitigation

Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.

Vulnerable software versions

TotalAV: 4.1.7

External links

http://seclists.org/fulldisclosure/2018/Jul/54

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.