Ubuntu update for libinput

1) Format string error

EUVDB-ID: #VU62452

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-1215

CWE-ID: CWE-134 - Use of Externally-Controlled Format String

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a format string error during logging operation. A local user with ability to control the device name, e.g. /dev/uinput or Bluetooth devices can trigger a format string error and execute arbitrary code on the system with elevated privileges.

Mitigation

Update the affected package libinput to the latest version.

Vulnerable software versions

Ubuntu: 22.04

libinput10 (Ubuntu package): before 1.20.0-1ubuntu0.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:libinput10_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-5382-2

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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