CVE-2022-40297 Privilege escalation in n/a
Attackers can escalate privileges to root by using the weak four-digit screen unlock passcode for sudo access on Ubuntu Touch devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-40297?
CVE-2022-40297 is a high-severity vulnerability in n/a, published on 8 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-269
Which versions are affected by CVE-2022-40297?
It affects 1 product.
Products include Ubports Ubuntu Touch.
How do I fix CVE-2022-40297?
No fix has been published for CVE-2022-40297 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-40297 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40297 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-qjwx-hqg3-vv75.