CVE-2023-20933: Use After Free
In several functions of MediaCodec.cpp, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
android/platform/frameworks/avto a version that resolves this vulnerability.Fixed in 10:2023-02-01 - Upgrade
Upgrade
android/platform/frameworks/avto a version that resolves this vulnerability.Fixed in 11:2023-02-01 - Upgrade
Upgrade
android/platform/frameworks/avto a version that resolves this vulnerability.Fixed in 12:2023-02-01 - Upgrade
Upgrade
android/platform/frameworks/avto a version that resolves this vulnerability.Fixed in 12L:2023-02-01 - Upgrade
Upgrade
android/platform/frameworks/avto a version that resolves this vulnerability.Fixed in 13:2023-02-01
Event History
Frequently Asked Questions
What is the severity of CVE-2023-20933?
CVE-2023-20933 has a high severity rating due to its potential for local escalation of privilege.
How do I fix CVE-2023-20933?
To fix CVE-2023-20933, update your Android device to the latest security patches provided by Google.
Which versions of Android are affected by CVE-2023-20933?
CVE-2023-20933 affects Android versions 10, 11, 12, 12.1, and 13.
What causes the vulnerability CVE-2023-20933?
CVE-2023-20933 is caused by a use-after-free error in several functions of MediaCodec.cpp.
Is user interaction required to exploit CVE-2023-20933?
No, user interaction is not required for the exploitation of CVE-2023-20933.