CVE-2023-20812 Memory corruption in MT6761, MT6762, MT6765, MT6768, MT6769, MT6781, MT6783, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6896, MT6983, MT6985, MT8365
A local attacker with system privileges can exploit an out-of-bounds write in the MediaTek WLAN driver to disclose sensitive information.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-20812?
CVE-2023-20812 is a medium-severity memory corruption vulnerability in Google Android, published on 7 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In wlan driver, there is a possible out of bounds write due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07944987; Issue ID: ALPS07944987.
Weakness: CWE-787
Which versions are affected by CVE-2023-20812?
It affects 2 products.
Products include Google Android, Mediatek Iot Yocto.
How do I fix CVE-2023-20812?
No fix has been published for CVE-2023-20812 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-2023-20812 being exploited?
There is no known exploitation of CVE-2023-20812 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-w8mw-25qv-x5vf.