CVE-2021-0661 Memory corruption in MT6779, MT6781, MT6785, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8797
Local attackers with system privileges can escalate privileges via an out-of-bounds write in the audio DSP firmware.
- 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-2021-0661?
CVE-2021-0661 is a medium-severity memory corruption vulnerability in Google Android, published on 25 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In audio DSP, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05844413; Issue ID: ALPS05844413.
Weakness: CWE-787
Which versions are affected by CVE-2021-0661?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0661?
No fix has been published for CVE-2021-0661 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-2021-0661 being exploited?
There is no known exploitation of CVE-2021-0661 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-586h-g9g3-585q.