CVE-2019-2208 : Security Advisory and Response
Learn about CVE-2019-2208 affecting Android versions 8.1 and 9. Discover the potential for remote information disclosure due to an out-of-bounds read vulnerability in the v8 JIT code.
Android devices running versions 8.1 and 9 are affected by a vulnerability in the PromiseBuiltinsAssembler::NewPromiseCapability function. This flaw in the v8 JIT code can lead to an out-of-bounds read, potentially exposing sensitive information remotely without requiring user interaction.
Understanding CVE-2019-2208
This CVE identifies a vulnerability in the v8 JIT code of Android versions 8.1 and 9 that could result in information disclosure.
What is CVE-2019-2208?
The vulnerability in the PromiseBuiltinsAssembler::NewPromiseCapability function in builtins-promise.cc can allow for an out-of-bounds read in the v8 JIT code, leading to potential remote information disclosure.
The Impact of CVE-2019-2208
If exploited, this vulnerability could expose sensitive information remotely without needing additional execution privileges. User interaction is not required for an attacker to take advantage of this flaw.
Technical Details of CVE-2019-2208
The technical aspects of the CVE-2019-2208 vulnerability are as follows:
Vulnerability Description
The vulnerability lies in the PromiseBuiltinsAssembler::NewPromiseCapability function in builtins-promise.cc, allowing for an out-of-bounds read in the v8 JIT code.
Affected Systems and Versions
- Product: Android
- Versions: Android-8.1, Android-9
Exploitation Mechanism
The bug in the code generation process can be exploited remotely to disclose sensitive information without the need for user interaction.
Mitigation and Prevention
To address CVE-2019-2208, consider the following mitigation strategies:
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor official sources for updates and advisories.
Long-Term Security Practices
- Regularly update the operating system and applications.
- Implement security best practices to protect against potential vulnerabilities.
Patching and Updates
Stay informed about security bulletins and updates from the official vendor sources to ensure the latest patches are applied.