CVE-2022-20034 Security feature bypass in MT6580, MT6735, MT6739, MT6761, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6799, MT6833, MT6853, MT6873, MT6875, MT6877, MT6885, MT6891, MT6893
Local attackers with physical access can escalate privileges via improper certificate validation in MediaTek Preloader XFLASH.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-20034?
CVE-2022-20034 is a medium-severity vulnerability in Google Android, published on 9 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Preloader XFLASH, there is a possible escalation of privilege due to an improper certificate validation. This could lead to local escalation of privilege for an attacker who has physical access to the device with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06160806; Issue ID: ALPS06160806.
Weakness: CWE-295
Which versions are affected by CVE-2022-20034?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20034?
No fix has been published for CVE-2022-20034 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-20034 being exploited?
There is no known exploitation of CVE-2022-20034 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-4jwr-q2v5-wg73.