CVE-2021-39671 Information disclosure in Android
An out-of-bounds read in Android's AIDL code generation allows attackers to disclose information without user interaction or privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-39671?
CVE-2021-39671 is a medium-severity vulnerability in Google Android, published on 11 Feb 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In code generated by aidl_const_expressions.cpp, there is a possible out of bounds read due to uninitialized data. This could lead to information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206718630
Weakness: CWE-908
Which versions are affected by CVE-2021-39671?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-39671?
Apply the vendor's patch.
Is CVE-2021-39671 being exploited?
There is no known exploitation of CVE-2021-39671 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-206718630, ASB-A-206718630, GHSA-fp26-fc43-5569.