CVE-2024-43093 Android Framework Privilege Escalation
Local attackers can bypass file path filters via unicode normalization flaws to escalate privileges on Android devices.
- Exploited in the wild
- Since 7 Nov 2024
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2024-43093?
CVE-2024-43093 is a high-severity path traversal vulnerability in Google Android, published on 13 Nov 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In shouldHideDocument of ExternalStorageProvider.java, there is a possible bypass of a file path filter designed to prevent access to sensitive directories due to incorrect unicode normalization. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.
Weakness: CWE-176
Which versions are affected by CVE-2024-43093?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2024-43093?
Apply the vendor's patch. US federal agencies must fix it by 28 Nov 2024.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2024-43093 being exploited?
Yes. Attackers have exploited CVE-2024-43093 in the wild since at least 7 Nov 2024.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Google Android
Sources
Also known as A-341680936, ASB-A-341680936, GHSA-9g9p-59w9-vqqc.