CVE-2020-0009 Privilege escalation in Android
Local attackers can escalate privileges by exploiting a permissions bypass in the Android kernel's ashmem driver to corrupt shared memory.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-0009?
CVE-2020-0009 is a medium-severity vulnerability in Debian Debian Linux, published on 8 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In calc_vm_may_flags of ashmem.c, there is a possible arbitrary write to shared memory due to a permissions bypass. This could lead to local escalation of privilege by corrupting memory shared between processes, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-142938932
Weakness: CWE-276
Which versions are affected by CVE-2020-0009?
It affects 2 products.
Products include Debian Debian Linux, Google Android.
How do I fix CVE-2020-0009?
Apply the vendor's patch.
Is CVE-2020-0009 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-0009 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-0009, GHSA-66j5-w5hg-38pg, UBUNTU-CVE-2020-0009.