CVE-2023-40078 Memory corruption in Android
A heap buffer overflow in the Android Opus decoder allows attackers to escalate privileges via a paired device without user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-40078?
CVE-2023-40078 is a critical memory corruption vulnerability in Google Android, published on 4 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In a2dp_vendor_opus_decoder_decode_packet of a2dp_vendor_opus_decoder.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to paired device escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-787
Which versions are affected by CVE-2023-40078?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-40078?
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-2023-40078 being exploited?
There is no known exploitation of CVE-2023-40078 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-275626001, ASB-A-275626001, GHSA-656m-cwmw-37pj.