CVE-2022-32637 Memory corruption in MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6883, MT6885, MT6889, MT8185, MT8789
A missing bounds check in the HEVC decoder 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
- Available
What is CVE-2022-32637?
CVE-2022-32637 is a medium-severity memory corruption vulnerability in Google Android, published on 3 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In hevc decoder, 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: ALPS07491374; Issue ID: ALPS07491374.
Weakness: CWE-787
Which versions are affected by CVE-2022-32637?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-32637?
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-2022-32637 being exploited?
There is no known exploitation of CVE-2022-32637 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-257860658, ASB-A-257860658, GHSA-gq48-j7w4-j44w, M-ALPS07491374.