Vulnerability identifier: #VU59950

Vulnerability 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: CVE-2022-23220

CWE-ID: CWE-94

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
USBView
Client/Desktop applications / Other client software

Vendor: Greg Kroah-Hartman

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to improper authentication validation by certain Polkit settings for pkexec. A local user can send a specially crafted request using the --gtk-module option and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

USBView: 2.1

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External links
http://github.com/gregkh/usbview/commit/bf374fa4e5b9a756789dfd88efa93806a395463b
http://www.openwall.com/lists/oss-security/2022/01/21/1
http://www.debian.org/security/2022/dsa-5052
http://www.openwall.com/lists/oss-security/2022/01/22/1

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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.