Input validation error in MacPaw CleanMyMac X

1) Input validation error

EUVDB-ID: #VU36052

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5011

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local authenticated user to manipulate data.

An exploitable privilege escalation vulnerability exists in the helper service CleanMyMac X, version 4.20, due to improper updating. The application failed to remove the vulnerable components upon upgrading to the latest version, leaving the user open to attack. A user with local access can use this vulnerability to modify the file system as root. An attacker would need local access to the machine for a successful exploit.

Mitigation

Install update from vendor's website.

Vulnerable software versions

CleanMyMac X: 4.20

CPE2.3

• cpe:2.3:a:macpaw:cleanmymac_x:4.20:*:*:*:*:*:*:*

External links

http://talosintelligence.com/vulnerability_reports/TALOS-2019-0759

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.