CVE-2022-26471 Deserialization in MT6580, MT6739, MT6761, MT6765, MT6768, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8321, MT8385, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797
Local attackers can escalate privileges via a parcel format mismatch in MediaTek telephony components without user interaction.
- 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-2022-26471?
CVE-2022-26471 is a high-severity unsafe deserialization vulnerability in Google Android, published on 7 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In telephony, there is a possible escalation of privilege due to a parcel format mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07319121; Issue ID: ALPS07319121.
Weakness: CWE-502
Which versions are affected by CVE-2022-26471?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-26471?
Apply the vendor's patch.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2022-26471 being exploited?
There is no known exploitation of CVE-2022-26471 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-234037999, ASB-A-234037999, GHSA-933g-h2f6-jr9c, M-ALPS07319121.