Learn about CVE-2019-12247, an Integer Overflow vulnerability in QEMU 3.0.0. Understand the impact, affected systems, exploitation details, and mitigation steps to secure your systems.
QEMU 3.0.0 has an Integer Overflow vulnerability due to insufficient checks in the qga/commands*.c files. The exploitability of this issue is disputed.
Understanding CVE-2019-12247
This CVE involves an Integer Overflow vulnerability in QEMU 3.0.0, impacting the handling of argument list length and environment variables.
What is CVE-2019-12247?
The vulnerability in QEMU 3.0.0 arises from inadequate validations in the qga/commands*.c files, leading to potential Integer Overflow.
The Impact of CVE-2019-12247
The exploitability of this vulnerability is disputed, but if successfully exploited, it could result in a security breach or system compromise.
Technical Details of CVE-2019-12247
QEMU 3.0.0's Integer Overflow vulnerability has the following technical details:
Vulnerability Description
The issue stems from the lack of proper checks in the qga/commands*.c files for the length of the argument list and the number of environment variables.
Affected Systems and Versions
Exploitation Mechanism
The exploitation of this vulnerability could potentially lead to an Integer Overflow, although there is a disagreement on its exploitability.
Mitigation and Prevention
To address CVE-2019-12247, consider the following mitigation strategies:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates