CVE-2020-27021 Explained : Impact and Mitigation
Learn about CVE-2020-27021 affecting Android-11. Discover the impact, technical details, and mitigation steps for this out-of-bounds read vulnerability.
Android-11 has a vulnerability in avrc_ctrl_pars_vendor_cmd that could lead to local information disclosure. This CVE does not require user interaction for exploitation.
Understanding CVE-2020-27021
This CVE affects Android-11 and involves an out-of-bounds read vulnerability in avrc_ctrl_pars_vendor_cmd.
What is CVE-2020-27021?
The vulnerability in avrc_ctrl_pars_vendor_cmd of avrc_pars_tg.cc could result in local information disclosure without the need for user interaction.
The Impact of CVE-2020-27021
The vulnerability could allow an attacker to gain access to sensitive information on the affected system.
Technical Details of CVE-2020-27021
This section provides more technical insights into the CVE.
Vulnerability Description
The issue arises from a missing bounds check in avrc_ctrl_pars_vendor_cmd, leading to an out-of-bounds read.
Affected Systems and Versions
- Product: Android
- Version: Android-11
Exploitation Mechanism
The vulnerability could be exploited by an attacker with system execution privileges, without requiring user interaction.
Mitigation and Prevention
Protecting systems from CVE-2020-27021 is crucial.
Immediate Steps to Take
- Apply security patches promptly.
- Monitor for any unusual system behavior.
Long-Term Security Practices
- Regularly update and patch software.
- Implement access controls and least privilege principles.
Patching and Updates
Ensure that the latest security patches for Android-11 are installed to mitigate the risk of exploitation.