CVE-2020-27035 Use after free in Android
A use-after-free vulnerability in Android's media codec allows local attackers to disclose sensitive information without user interaction or elevated privileges.
- 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-2020-27035?
CVE-2020-27035 is a medium-severity use after free vulnerability in Google Android, published on 15 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In priorLinearAllocation of C2AllocatorIon.cpp, there is a possible use-after-free due to improper locking. This could lead to local information disclosure in the media codec with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-152239213
Which versions are affected by CVE-2020-27035?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2020-27035?
No fix has been published for CVE-2020-27035 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-27035 being exploited?
There is no known exploitation of CVE-2020-27035 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-92w6-8752-jf23.