CVE-2023-21273 Memory corruption in Android

High 8.8 Published Updated

An out-of-bounds write in Android's SDP component allows remote attackers to execute arbitrary code without user interaction or privileges.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2023-21273?

CVE-2023-21273 is a high-severity memory corruption vulnerability in Google Android, published on 14 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In SDP_AddAttribute of sdp_db.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-787

Which versions are affected by CVE-2023-21273?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-21273?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-21273 being exploited?

There is no known exploitation of CVE-2023-21273 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-272783039, ASB-A-272783039, GHSA-783r-9gr8-xpmf.

Is CVE-2023-21273 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free