CVE-2022-21763 Missing authorization in MT6739, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6795, MT6797, MT6799, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT6895, MT6983, MT6985, MT8321, MT8666, MT8667, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797

Medium 5.5 Published Updated

A missing permission check in MediaTek telecom services allows local attackers to disclose sensitive information without user interaction or elevated privileges.

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

What is CVE-2022-21763?

CVE-2022-21763 is a medium-severity missing authorization vulnerability in Google Android, published on 6 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In telecom service, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07044717; Issue ID: ALPS07044708.

Weakness: CWE-862

Which versions are affected by CVE-2022-21763?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-21763?

Apply the vendor's patch.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2022-21763 being exploited?

There is no known exploitation of CVE-2022-21763 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-x873-cfw9-v3qx.

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