CVE-2020-11834 Memory corruption in OPPO Find X2
A missing length check in the OPPO charger driver allows attackers to trigger memory corruption, potentially leading to code execution or privilege escalation on Find X2 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-2020-11834?
CVE-2020-11834 is a medium-severity memory corruption vulnerability in OPPO Find X2, published on 31 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In /SM8250_Q_Master/android/vendor/oppo_charger/oppo/oppo_vooc.c, the function proc_fastchg_fw_update_write in proc_fastchg_fw_update_write does not check the parameter len, resulting in a vulnerability.
Weakness: CWE-787
Which versions are affected by CVE-2020-11834?
It affects 2 products.
Products include Oppo Find X2 Pro Firmware, Oppo Reno3 Pro Firmware.
How do I fix CVE-2020-11834?
No fix has been published for CVE-2020-11834 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-11834 being exploited?
There is no known exploitation of CVE-2020-11834 in the wild and no public exploit code.
Other vulnerabilities in OPPO Find X2
Sources
Also known as GHSA-9vr7-48xw-7c8q.