CVE-2019-11859 : Exploit Details and Defense Strategies
Learn about CVE-2019-11859, a buffer overflow vulnerability in ALEOS versions prior to 4.13.0, 4.9.5, and 4.9.4, potentially allowing code execution with root privileges. Find mitigation steps and preventive measures here.
ALEOS versions prior to 4.13.0, 4.9.5, and 4.9.4 contain a buffer overflow vulnerability in the SMS handler API, potentially allowing code execution with root privileges.
Understanding CVE-2019-11859
This CVE involves a buffer overflow vulnerability in ALEOS versions before 4.13.0, 4.9.5, and 4.9.4, which could be exploited to execute code with root privileges.
What is CVE-2019-11859?
The SMS handler API of ALEOS versions prior to 4.13.0, 4.9.5, and 4.9.4 contains a buffer overflow vulnerability, which could potentially be exploited to execute code with root privileges.
The Impact of CVE-2019-11859
- CVSS Base Score: 6 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: High
- User Interaction: Required
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: Low
Technical Details of CVE-2019-11859
This section provides technical details of the CVE.
Vulnerability Description
The vulnerability is a buffer overflow in the SMS handler API of ALEOS versions before 4.13.0, 4.9.5, and 4.9.4, potentially leading to code execution with root privileges.
Affected Systems and Versions
- Affected Systems: ALEOS versions prior to 4.13.0, 4.9.5, and 4.9.4
- Affected Components: SMS handler API
Exploitation Mechanism
The vulnerability could be exploited by an attacker to trigger a buffer overflow in the SMS handler API, leading to potential code execution with elevated privileges.
Mitigation and Prevention
Protecting systems from CVE-2019-11859 is crucial to prevent unauthorized code execution.
Immediate Steps to Take
- Update ALEOS to version 4.13.0 or newer to mitigate the vulnerability.
- Monitor for any unusual activity that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update and patch software to ensure the latest security fixes are in place.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Apply patches and updates provided by the vendor to address the buffer overflow vulnerability in the SMS handler API of ALEOS.