Vulnerability Report

CVE-2022-40297

Title: UBports Ubuntu Touch Privileged Shell via Passcode

Privilege Escalation

Proof Of Concept

PoC Available for CVE-2022-40297

CWE Category CWE-269

Published Date Sep 09, 2022

Modified Date Nov 21, 2024

Exploit Status Available

Score 7.8 CVSS v3.1

Exploit Probability (EPSS)

0.45%

Vulnerability Summary

CVE-2022-40297: 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.

Impacted Vendors

ubports 1

canonical 1

Reference Links

https://github.com/filipkarc/PoC-ubuntutouch-pin-privesc https://github.com/filipkarc/PoC-ubuntutouch-pin-privesc

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.8

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-40297 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/filipkarc/PoC-ubuntutouch-pin-privesc

View Code

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

September 09, 2022 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.