CVE-2019-11850 : What You Need to Know

The AT command interface of ALEOS prior to version 4.11.0 has a stack overflow vulnerability that can lead to code execution.

Understanding CVE-2019-11850

This CVE involves a high severity stack overflow vulnerability in the AT command interface of ALEOS.

What is CVE-2019-11850?

The vulnerability in the AT command interface of ALEOS before version 4.11.0 can result in a stack overflow, potentially allowing attackers to execute arbitrary code.

The Impact of CVE-2019-11850

CVSS Base Score: 6.3 (Medium Severity)
Attack Vector: Local
Attack Complexity: High
Privileges Required: High
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2019-11850

This section provides more in-depth technical details of the vulnerability.

Vulnerability Description

The vulnerability is due to a stack overflow in the AT command interface of ALEOS versions prior to 4.11.0, which could be exploited for code execution.

Affected Systems and Versions

Affected Product: Not applicable
Affected Vendor: Not applicable
Affected Versions: All versions prior to 4.11.0

Exploitation Mechanism

The vulnerability can be exploited locally, requiring high privileges and user interaction for successful exploitation.

Mitigation and Prevention

To address CVE-2019-11850, follow these mitigation strategies:

Immediate Steps to Take

Upgrade ALEOS to version 4.11.0 or newer to eliminate the vulnerability.
Implement strict access controls to limit user interaction and privileges.

Long-Term Security Practices

Regularly update and patch ALEOS to ensure the latest security fixes.
Conduct security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Apply vendor-supplied patches promptly to protect against known vulnerabilities.