CVE-2023-20839 Information disclosure in MT2713, MT6895, MT6897, MT6983, MT8188, MT8195, MT8395, MT8673

Medium 4.2 Published Updated

A local attacker with system privileges can read out-of-bounds memory in the imgsys component, leading to information disclosure.

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-2023-20839?

CVE-2023-20839 is a medium-severity 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, there is a possible out of bounds read due to a missing valid range checking. This could lead to local information disclosure with System execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS07326455; Issue ID: ALPS07326409.

Weakness: CWE-125

Which versions are affected by CVE-2023-20839?

It affects 4 products.

Products include Google Android, Linux kernel, Linuxfoundation Yocto, Mediatek Iot Yocto.

How do I fix CVE-2023-20839?

No fix has been published for CVE-2023-20839 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-20839 being exploited?

There is no known exploitation of CVE-2023-20839 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-r6x4-g2jv-xjp9.

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