CVE-2023-20848 Memory corruption in MT2713, MT6895, MT6897, MT6983, MT8188, MT8195, MT8395, MT8781
A missing range check in MediaTek imgsys_cmdq allows local attackers with system privileges to perform an out-of-bounds read, leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-20848?
CVE-2023-20848 is a medium-severity memory corruption vulnerability in Google Android, published on 4 Sep 2023. 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 imgsys_cmdq, there is a possible out of bounds read due to a missing valid range checking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS07340433; Issue ID: ALPS07340433.
Weakness: CWE-125
Which versions are affected by CVE-2023-20848?
It affects 4 products.
Products include Google Android, Linux kernel, Linuxfoundation Yocto, Mediatek Iot Yocto.
How do I fix CVE-2023-20848?
No fix has been published for CVE-2023-20848 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-2023-20848 being exploited?
There is no known exploitation of CVE-2023-20848 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-6q65-g376-24qc.