CVE-2022-40297 — HIGH (7.8)

Vulnerability Description

UBports Ubuntu Touch 16.04 allows the screen-unlock passcode to be used for a privileged shell via Sudo. This passcode is only four digits, far below typical length/complexity for a user account's password. NOTE: a third party states "The described attack cannot be executed as demonstrated.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ubports	Ubuntu Touch	16.04

Related Weaknesses (CWE)

CWE-269

References

https://github.com/filipkarc/PoC-ubuntutouch-pin-privescExploitThird Party Advisory
https://github.com/filipkarc/PoC-ubuntutouch-pin-privescExploitThird Party Advisory

FAQ

What is CVE-2022-40297?

CVE-2022-40297 is a vulnerability with a CVSS score of 7.8 (HIGH). UBports Ubuntu Touch 16.04 allows the screen-unlock passcode to be used for a privileged shell via Sudo. This passcode is only four digits, far below typical length/complexity for a user account's pas...

How severe is CVE-2022-40297?

CVE-2022-40297 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-40297?

Check the references section above for vendor advisories and patch information. Affected products include: Ubports Ubuntu Touch.