CVE-2023-20785 Memory corruption in MT6779, MT6781, MT6785, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8168, MT8781, MT8791, MT8797

Medium 6.4 Published Updated

A missing bounds check in MediaTek audio firmware allows local attackers with system privileges to escalate privileges via out-of-bounds write.

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-2023-20785?

CVE-2023-20785 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 audio, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07628524; Issue ID: ALPS07628524.

Weakness: CWE-787, CWE-367

Which versions are affected by CVE-2023-20785?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-20785?

No fix has been published for CVE-2023-20785 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-2023-20785 being exploited?

There is no known exploitation of CVE-2023-20785 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-g64w-jvp9-854c.

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