CVE-2019-11853 : Security Advisory and Response

Multiple command injection vulnerabilities exist in the AT command interface of ALEOS versions prior to 4.11.0 and 4.9.4.

Understanding CVE-2019-11853

There are critical vulnerabilities in the AT command interface of ALEOS versions before 4.11.0 and 4.9.4, allowing for potential command injections.

What is CVE-2019-11853?

CVE-2019-11853 refers to multiple command injection vulnerabilities found in the AT command interface of ALEOS versions prior to 4.11.0 and 4.9.4.

The Impact of CVE-2019-11853

These vulnerabilities have a low base score of 3.9, with a low severity impact on confidentiality, integrity, and availability. However, the attack complexity is high, and user interaction is required for exploitation.

Technical Details of CVE-2019-11853

The technical details of CVE-2019-11853 provide insight into the vulnerability and affected systems.

Vulnerability Description

The vulnerabilities allow for command injections in the AT command interface of ALEOS versions before 4.11.0 and 4.9.4, potentially leading to unauthorized access and control of affected systems.

Affected Systems and Versions

ALEOS versions prior to 4.11.0
ALEOS versions prior to 4.9.4

Exploitation Mechanism

The vulnerabilities can be exploited through the network with high privileges required and user interaction.

Mitigation and Prevention

Protecting systems from CVE-2019-11853 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update ALEOS to version 4.11.0 or 4.9.4 to mitigate the vulnerabilities.
Monitor network traffic for any suspicious activities.
Implement strong access controls and authentication mechanisms.

Long-Term Security Practices

Regularly update and patch software to address security flaws.
Conduct security audits and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Apply patches provided by the vendor promptly to secure the AT command interface and prevent command injections.